8990010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 25204608

約数和(自身を除く): 16214598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 43, 45, 46, 69, 86, 90, 101, 115, 129, 138, 202, 207, 215, 230, 258, 303, 345, 387, 414, 430, 505, 606, 645, 690, 774, 909, 989, 1010, 1035, 1290, 1515, 1818, 1935, 1978, 2070, 2323, 2967, 3030, 3870, 4343, 4545, 4646, 4945, 5934, 6969, 8686, 8901, 9090, 9890, 11615, 13029, 13938, 14835, 17802, 20907, 21715, 23230, 26058, 29670, 34845, 39087, 41814, 43430, 44505, 65145, 69690, 78174, 89010, 99889, 104535, 130290, 195435, 199778, 209070, 299667, 390870, 499445, 599334, 899001, 998890, 1498335, 1798002, 2996670, 4495005, 8990010]

約数ペア:

[(1, 8990010), (2, 4495005), (3, 2996670), (5, 1798002), (6, 1498335), (9, 998890), (10, 899001), (15, 599334), (18, 499445), (23, 390870), (30, 299667), (43, 209070), (45, 199778), (46, 195435), (69, 130290), (86, 104535), (90, 99889), (101, 89010), (115, 78174), (129, 69690), (138, 65145), (202, 44505), (207, 43430), (215, 41814), (230, 39087), (258, 34845), (303, 29670), (345, 26058), (387, 23230), (414, 21715), (430, 20907), (505, 17802), (606, 14835), (645, 13938), (690, 13029), (774, 11615), (909, 9890), (989, 9090), (1010, 8901), (1035, 8686), (1290, 6969), (1515, 5934), (1818, 4945), (1935, 4646), (1978, 4545), (2070, 4343), (2323, 3870), (2967, 3030)]