419693820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 1501516800

約数和(自身を除く): 1081822980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 79, 84, 91, 98, 105, 130, 139, 140, 147, 156, 158, 182, 195, 196, 210, 237, 245, 260, 273, 278, 294, 316, 364, 390, 395, 417, 420, 455, 474, 490, 546, 553, 556, 588, 637, 695, 735, 780, 790, 834, 910, 948, 973, 980, 1027, 1092, 1106, 1185, 1274, 1365, 1390, 1470, 1580, 1659, 1668, 1807, 1820, 1911, 1946, 2054, 2085, 2212, 2370, 2548, 2730, 2765, 2780, 2919, 2940, 3081, 3185, 3318, 3614, 3822, 3871, 3892, 4108, 4170, 4740, 4865, 5135, 5421, 5460, 5530, 5838, 6162, 6370, 6636, 6811, 7189, 7228, 7644, 7742, 8295, 8340, 9035, 9555, 9730, 10270, 10842, 10981, 11060, 11613, 11676, 12324, 12649, 12740, 13622, 14378, 14595, 15405, 15484, 16590, 18070, 19110, 19355, 19460, 20433, 20540, 21567, 21684, 21962, 23226, 25298, 27105, 27244, 28756, 29190, 30810, 32943, 33180, 34055, 35945, 36140, 37947, 38220, 38710, 40866, 43134, 43924, 46452, 50323, 50596, 54210, 54905, 58065, 58380, 61620, 63245, 65886, 68110, 71890, 75894, 76867, 77420, 81732, 86268, 88543, 100646, 102165, 107835, 108420, 109810, 116130, 126490, 131772, 136220, 142753, 143780, 150969, 151788, 153734, 164715, 177086, 189735, 201292, 204330, 215670, 219620, 230601, 232260, 251615, 252980, 265629, 285506, 301938, 307468, 329430, 354172, 379470, 384335, 408660, 428259, 431340, 442715, 461202, 503230, 531258, 538069, 571012, 603876, 658860, 713765, 754845, 758940, 768670, 856518, 885430, 922404, 999271, 1006460, 1062516, 1076138, 1153005, 1328145, 1427530, 1509690, 1537340, 1614207, 1713036, 1770860, 1998542, 2141295, 2152276, 2306010, 2656290, 2690345, 2855060, 2997813, 3019380, 3228414, 3997084, 4282590, 4612020, 4996355, 5312580, 5380690, 5995626, 6456828, 6994897, 8071035, 8565180, 9992710, 10761380, 11991252, 13989794, 14989065, 16142070, 19985420, 20984691, 27979588, 29978130, 32284140, 34974485, 41969382, 59956260, 69948970, 83938764, 104923455, 139897940, 209846910, 419693820]

約数ペア:

[(1, 419693820), (2, 209846910), (3, 139897940), (4, 104923455), (5, 83938764), (6, 69948970), (7, 59956260), (10, 41969382), (12, 34974485), (13, 32284140), (14, 29978130), (15, 27979588), (20, 20984691), (21, 19985420), (26, 16142070), (28, 14989065), (30, 13989794), (35, 11991252), (39, 10761380), (42, 9992710), (49, 8565180), (52, 8071035), (60, 6994897), (65, 6456828), (70, 5995626), (78, 5380690), (79, 5312580), (84, 4996355), (91, 4612020), (98, 4282590), (105, 3997084), (130, 3228414), (139, 3019380), (140, 2997813), (147, 2855060), (156, 2690345), (158, 2656290), (182, 2306010), (195, 2152276), (196, 2141295), (210, 1998542), (237, 1770860), (245, 1713036), (260, 1614207), (273, 1537340), (278, 1509690), (294, 1427530), (316, 1328145), (364, 1153005), (390, 1076138), (395, 1062516), (417, 1006460), (420, 999271), (455, 922404), (474, 885430), (490, 856518), (546, 768670), (553, 758940), (556, 754845), (588, 713765), (637, 658860), (695, 603876), (735, 571012), (780, 538069), (790, 531258), (834, 503230), (910, 461202), (948, 442715), (973, 431340), (980, 428259), (1027, 408660), (1092, 384335), (1106, 379470), (1185, 354172), (1274, 329430), (1365, 307468), (1390, 301938), (1470, 285506), (1580, 265629), (1659, 252980), (1668, 251615), (1807, 232260), (1820, 230601), (1911, 219620), (1946, 215670), (2054, 204330), (2085, 201292), (2212, 189735), (2370, 177086), (2548, 164715), (2730, 153734), (2765, 151788), (2780, 150969), (2919, 143780), (2940, 142753), (3081, 136220), (3185, 131772), (3318, 126490), (3614, 116130), (3822, 109810), (3871, 108420), (3892, 107835), (4108, 102165), (4170, 100646), (4740, 88543), (4865, 86268), (5135, 81732), (5421, 77420), (5460, 76867), (5530, 75894), (5838, 71890), (6162, 68110), (6370, 65886), (6636, 63245), (6811, 61620), (7189, 58380), (7228, 58065), (7644, 54905), (7742, 54210), (8295, 50596), (8340, 50323), (9035, 46452), (9555, 43924), (9730, 43134), (10270, 40866), (10842, 38710), (10981, 38220), (11060, 37947), (11613, 36140), (11676, 35945), (12324, 34055), (12649, 33180), (12740, 32943), (13622, 30810), (14378, 29190), (14595, 28756), (15405, 27244), (15484, 27105), (16590, 25298), (18070, 23226), (19110, 21962), (19355, 21684), (19460, 21567), (20433, 20540)]