245447112520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{344671}}^1$

素因数の和:345638

約数の個数: 64

約数和(自身を含む): 581944204800

約数和(自身を除く): 336497092280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 937, 1874, 3748, 4685, 7496, 9370, 17803, 18740, 35606, 37480, 71212, 89015, 142424, 178030, 344671, 356060, 689342, 712120, 1378684, 1723355, 2757368, 3446710, 6548749, 6893420, 13097498, 13786840, 26194996, 32743745, 52389992, 65487490, 130974980, 261949960, 322956727, 645913454, 1291826908, 1614783635, 2583653816, 3229567270, 6136177813, 6459134540, 12272355626, 12918269080, 24544711252, 30680889065, 49089422504, 61361778130, 122723556260, 245447112520]

約数ペア:

[(1, 245447112520), (2, 122723556260), (4, 61361778130), (5, 49089422504), (8, 30680889065), (10, 24544711252), (19, 12918269080), (20, 12272355626), (38, 6459134540), (40, 6136177813), (76, 3229567270), (95, 2583653816), (152, 1614783635), (190, 1291826908), (380, 645913454), (760, 322956727), (937, 261949960), (1874, 130974980), (3748, 65487490), (4685, 52389992), (7496, 32743745), (9370, 26194996), (17803, 13786840), (18740, 13097498), (35606, 6893420), (37480, 6548749), (71212, 3446710), (89015, 2757368), (142424, 1723355), (178030, 1378684), (344671, 712120), (356060, 689342)]