399963984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 320

約数和(自身を含む): 1340866560

約数和(自身を除く): 940902576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 42, 43, 47, 48, 56, 57, 62, 76, 84, 86, 93, 94, 112, 114, 124, 129, 133, 141, 152, 168, 172, 186, 188, 217, 228, 248, 258, 266, 282, 301, 304, 329, 336, 344, 372, 376, 399, 434, 456, 496, 516, 532, 564, 589, 602, 651, 658, 688, 744, 752, 798, 817, 868, 893, 903, 912, 987, 1032, 1064, 1128, 1178, 1204, 1302, 1316, 1333, 1457, 1488, 1596, 1634, 1736, 1767, 1786, 1806, 1974, 2021, 2064, 2128, 2256, 2356, 2408, 2451, 2604, 2632, 2666, 2679, 2914, 3192, 3268, 3472, 3534, 3572, 3612, 3948, 3999, 4042, 4123, 4371, 4712, 4816, 4902, 5208, 5264, 5332, 5358, 5719, 5828, 6063, 6251, 6384, 6536, 7068, 7144, 7224, 7896, 7998, 8084, 8246, 8742, 9331, 9424, 9804, 10199, 10416, 10664, 10716, 11438, 11656, 12126, 12369, 12502, 13072, 14136, 14147, 14288, 14448, 15792, 15996, 16168, 16492, 17157, 17484, 18662, 18753, 19608, 20398, 21328, 21432, 22876, 23312, 24252, 24738, 25004, 25327, 27683, 27993, 28272, 28294, 30597, 31992, 32336, 32984, 34314, 34968, 37324, 37506, 38399, 39216, 40796, 42441, 42864, 45752, 48504, 49476, 50008, 50654, 55366, 55986, 56588, 61194, 62651, 63984, 65968, 68628, 69936, 74648, 75012, 75981, 76798, 81592, 83049, 84882, 91504, 97008, 98952, 100016, 101308, 110732, 111972, 113176, 115197, 122388, 125302, 137256, 149296, 150024, 151962, 153596, 163184, 166098, 169764, 177289, 187953, 193781, 197904, 202616, 221464, 223944, 226352, 230394, 244776, 250604, 268793, 274512, 300048, 303924, 307192, 332196, 339528, 354578, 375906, 387562, 405232, 438557, 442928, 447888, 460788, 489552, 501208, 531867, 537586, 581343, 607848, 614384, 664392, 679056, 709156, 751812, 775124, 806379, 877114, 921576, 1002416, 1063734, 1075172, 1162686, 1190369, 1215696, 1315671, 1328784, 1418312, 1503624, 1550248, 1612758, 1754228, 1843152, 2127468, 2150344, 2325372, 2380738, 2631342, 2836624, 3007248, 3100496, 3225516, 3508456, 3571107, 4254936, 4300688, 4650744, 4761476, 5262684, 6451032, 7016912, 7142214, 8332583, 8509872, 9301488, 9522952, 10525368, 12902064, 14284428, 16665166, 19045904, 21050736, 24997749, 28568856, 33330332, 49995498, 57137712, 66660664, 99990996, 133321328, 199981992, 399963984]

約数ペア:

[(1, 399963984), (2, 199981992), (3, 133321328), (4, 99990996), (6, 66660664), (7, 57137712), (8, 49995498), (12, 33330332), (14, 28568856), (16, 24997749), (19, 21050736), (21, 19045904), (24, 16665166), (28, 14284428), (31, 12902064), (38, 10525368), (42, 9522952), (43, 9301488), (47, 8509872), (48, 8332583), (56, 7142214), (57, 7016912), (62, 6451032), (76, 5262684), (84, 4761476), (86, 4650744), (93, 4300688), (94, 4254936), (112, 3571107), (114, 3508456), (124, 3225516), (129, 3100496), (133, 3007248), (141, 2836624), (152, 2631342), (168, 2380738), (172, 2325372), (186, 2150344), (188, 2127468), (217, 1843152), (228, 1754228), (248, 1612758), (258, 1550248), (266, 1503624), (282, 1418312), (301, 1328784), (304, 1315671), (329, 1215696), (336, 1190369), (344, 1162686), (372, 1075172), (376, 1063734), (399, 1002416), (434, 921576), (456, 877114), (496, 806379), (516, 775124), (532, 751812), (564, 709156), (589, 679056), (602, 664392), (651, 614384), (658, 607848), (688, 581343), (744, 537586), (752, 531867), (798, 501208), (817, 489552), (868, 460788), (893, 447888), (903, 442928), (912, 438557), (987, 405232), (1032, 387562), (1064, 375906), (1128, 354578), (1178, 339528), (1204, 332196), (1302, 307192), (1316, 303924), (1333, 300048), (1457, 274512), (1488, 268793), (1596, 250604), (1634, 244776), (1736, 230394), (1767, 226352), (1786, 223944), (1806, 221464), (1974, 202616), (2021, 197904), (2064, 193781), (2128, 187953), (2256, 177289), (2356, 169764), (2408, 166098), (2451, 163184), (2604, 153596), (2632, 151962), (2666, 150024), (2679, 149296), (2914, 137256), (3192, 125302), (3268, 122388), (3472, 115197), (3534, 113176), (3572, 111972), (3612, 110732), (3948, 101308), (3999, 100016), (4042, 98952), (4123, 97008), (4371, 91504), (4712, 84882), (4816, 83049), (4902, 81592), (5208, 76798), (5264, 75981), (5332, 75012), (5358, 74648), (5719, 69936), (5828, 68628), (6063, 65968), (6251, 63984), (6384, 62651), (6536, 61194), (7068, 56588), (7144, 55986), (7224, 55366), (7896, 50654), (7998, 50008), (8084, 49476), (8246, 48504), (8742, 45752), (9331, 42864), (9424, 42441), (9804, 40796), (10199, 39216), (10416, 38399), (10664, 37506), (10716, 37324), (11438, 34968), (11656, 34314), (12126, 32984), (12369, 32336), (12502, 31992), (13072, 30597), (14136, 28294), (14147, 28272), (14288, 27993), (14448, 27683), (15792, 25327), (15996, 25004), (16168, 24738), (16492, 24252), (17157, 23312), (17484, 22876), (18662, 21432), (18753, 21328), (19608, 20398)]