399823536

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 240

約数和(自身を含む): 1323129600

約数和(自身を除く): 923306064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 38, 42, 46, 48, 49, 56, 57, 69, 76, 84, 92, 98, 112, 114, 133, 138, 147, 152, 161, 168, 184, 196, 228, 266, 276, 294, 304, 322, 336, 368, 389, 392, 399, 437, 456, 483, 532, 552, 588, 644, 778, 784, 798, 874, 912, 931, 966, 1064, 1104, 1127, 1167, 1176, 1288, 1311, 1556, 1596, 1748, 1862, 1932, 2128, 2254, 2334, 2352, 2576, 2622, 2723, 2793, 3059, 3112, 3192, 3381, 3496, 3724, 3864, 4508, 4668, 5244, 5446, 5586, 6118, 6224, 6384, 6762, 6992, 7391, 7448, 7728, 8169, 8947, 9016, 9177, 9336, 10488, 10892, 11172, 12236, 13524, 14782, 14896, 16338, 17894, 18032, 18354, 18672, 19061, 20976, 21413, 21784, 22173, 22344, 24472, 26841, 27048, 29564, 32676, 35788, 36708, 38122, 42826, 43568, 44346, 44688, 48944, 51737, 53682, 54096, 57183, 59128, 62629, 64239, 65352, 71576, 73416, 76244, 85652, 88692, 103474, 107364, 114366, 118256, 125258, 128478, 130704, 143152, 146832, 152488, 155211, 169993, 171304, 177384, 187887, 206948, 214728, 228732, 250516, 256956, 304976, 310422, 339986, 342608, 354768, 362159, 375774, 413896, 429456, 438403, 457464, 501032, 509979, 513912, 620844, 679972, 724318, 751548, 827792, 876806, 914928, 1002064, 1019958, 1027824, 1086477, 1189951, 1241688, 1315209, 1359944, 1448636, 1503096, 1753612, 2039916, 2172954, 2379902, 2483376, 2630418, 2719888, 2897272, 3006192, 3507224, 3569853, 4079832, 4345908, 4759804, 5260836, 5794544, 7014448, 7139706, 8159664, 8329657, 8691816, 9519608, 10521672, 14279412, 16659314, 17383632, 19039216, 21043344, 24988971, 28558824, 33318628, 49977942, 57117648, 66637256, 99955884, 133274512, 199911768, 399823536]

約数ペア:

[(1, 399823536), (2, 199911768), (3, 133274512), (4, 99955884), (6, 66637256), (7, 57117648), (8, 49977942), (12, 33318628), (14, 28558824), (16, 24988971), (19, 21043344), (21, 19039216), (23, 17383632), (24, 16659314), (28, 14279412), (38, 10521672), (42, 9519608), (46, 8691816), (48, 8329657), (49, 8159664), (56, 7139706), (57, 7014448), (69, 5794544), (76, 5260836), (84, 4759804), (92, 4345908), (98, 4079832), (112, 3569853), (114, 3507224), (133, 3006192), (138, 2897272), (147, 2719888), (152, 2630418), (161, 2483376), (168, 2379902), (184, 2172954), (196, 2039916), (228, 1753612), (266, 1503096), (276, 1448636), (294, 1359944), (304, 1315209), (322, 1241688), (336, 1189951), (368, 1086477), (389, 1027824), (392, 1019958), (399, 1002064), (437, 914928), (456, 876806), (483, 827792), (532, 751548), (552, 724318), (588, 679972), (644, 620844), (778, 513912), (784, 509979), (798, 501032), (874, 457464), (912, 438403), (931, 429456), (966, 413896), (1064, 375774), (1104, 362159), (1127, 354768), (1167, 342608), (1176, 339986), (1288, 310422), (1311, 304976), (1556, 256956), (1596, 250516), (1748, 228732), (1862, 214728), (1932, 206948), (2128, 187887), (2254, 177384), (2334, 171304), (2352, 169993), (2576, 155211), (2622, 152488), (2723, 146832), (2793, 143152), (3059, 130704), (3112, 128478), (3192, 125258), (3381, 118256), (3496, 114366), (3724, 107364), (3864, 103474), (4508, 88692), (4668, 85652), (5244, 76244), (5446, 73416), (5586, 71576), (6118, 65352), (6224, 64239), (6384, 62629), (6762, 59128), (6992, 57183), (7391, 54096), (7448, 53682), (7728, 51737), (8169, 48944), (8947, 44688), (9016, 44346), (9177, 43568), (9336, 42826), (10488, 38122), (10892, 36708), (11172, 35788), (12236, 32676), (13524, 29564), (14782, 27048), (14896, 26841), (16338, 24472), (17894, 22344), (18032, 22173), (18354, 21784), (18672, 21413), (19061, 20976)]