2109473900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{17477}}^1$

素因数の和:17579

約数の個数: 72

約数和(自身を含む): 4915372896

約数和(自身を除く): 2805898996

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 284, 340, 355, 425, 710, 850, 1207, 1420, 1700, 1775, 2414, 3550, 4828, 6035, 7100, 12070, 17477, 24140, 30175, 34954, 60350, 69908, 87385, 120700, 174770, 297109, 349540, 436925, 594218, 873850, 1188436, 1240867, 1485545, 1747700, 2481734, 2971090, 4963468, 5942180, 6204335, 7427725, 12408670, 14855450, 21094739, 24817340, 29710900, 31021675, 42189478, 62043350, 84378956, 105473695, 124086700, 210947390, 421894780, 527368475, 1054736950, 2109473900]

約数ペア:

[(1, 2109473900), (2, 1054736950), (4, 527368475), (5, 421894780), (10, 210947390), (17, 124086700), (20, 105473695), (25, 84378956), (34, 62043350), (50, 42189478), (68, 31021675), (71, 29710900), (85, 24817340), (100, 21094739), (142, 14855450), (170, 12408670), (284, 7427725), (340, 6204335), (355, 5942180), (425, 4963468), (710, 2971090), (850, 2481734), (1207, 1747700), (1420, 1485545), (1700, 1240867), (1775, 1188436), (2414, 873850), (3550, 594218), (4828, 436925), (6035, 349540), (7100, 297109), (12070, 174770), (17477, 120700), (24140, 87385), (30175, 69908), (34954, 60350)]