9137500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 21654864

約数和(自身を除く): 12517364

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 125, 170, 172, 215, 250, 340, 425, 430, 500, 625, 731, 850, 860, 1075, 1250, 1462, 1700, 2125, 2150, 2500, 2924, 3125, 3655, 4250, 4300, 5375, 6250, 7310, 8500, 10625, 10750, 12500, 14620, 18275, 21250, 21500, 26875, 36550, 42500, 53125, 53750, 73100, 91375, 106250, 107500, 134375, 182750, 212500, 268750, 365500, 456875, 537500, 913750, 1827500, 2284375, 4568750, 9137500]

約数ペア:

[(1, 9137500), (2, 4568750), (4, 2284375), (5, 1827500), (10, 913750), (17, 537500), (20, 456875), (25, 365500), (34, 268750), (43, 212500), (50, 182750), (68, 134375), (85, 107500), (86, 106250), (100, 91375), (125, 73100), (170, 53750), (172, 53125), (215, 42500), (250, 36550), (340, 26875), (425, 21500), (430, 21250), (500, 18275), (625, 14620), (731, 12500), (850, 10750), (860, 10625), (1075, 8500), (1250, 7310), (1462, 6250), (1700, 5375), (2125, 4300), (2150, 4250), (2500, 3655), (2924, 3125)]