214909360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 519609600

約数和(自身を除く): 304700240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 193, 248, 310, 386, 449, 496, 620, 772, 898, 965, 1240, 1544, 1796, 1930, 2245, 2480, 3088, 3592, 3860, 4490, 5983, 7184, 7720, 8980, 11966, 13919, 15440, 17960, 23932, 27838, 29915, 35920, 47864, 55676, 59830, 69595, 86657, 95728, 111352, 119660, 139190, 173314, 222704, 239320, 278380, 346628, 433285, 478640, 556760, 693256, 866570, 1113520, 1386512, 1733140, 2686367, 3466280, 5372734, 6932560, 10745468, 13431835, 21490936, 26863670, 42981872, 53727340, 107454680, 214909360]

約数ペア:

[(1, 214909360), (2, 107454680), (4, 53727340), (5, 42981872), (8, 26863670), (10, 21490936), (16, 13431835), (20, 10745468), (31, 6932560), (40, 5372734), (62, 3466280), (80, 2686367), (124, 1733140), (155, 1386512), (193, 1113520), (248, 866570), (310, 693256), (386, 556760), (449, 478640), (496, 433285), (620, 346628), (772, 278380), (898, 239320), (965, 222704), (1240, 173314), (1544, 139190), (1796, 119660), (1930, 111352), (2245, 95728), (2480, 86657), (3088, 69595), (3592, 59830), (3860, 55676), (4490, 47864), (5983, 35920), (7184, 29915), (7720, 27838), (8980, 23932), (11966, 17960), (13919, 15440)]