9999825880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{428809}}^1$

素因数の和:428884

約数の個数: 64

約数和(自身を含む): 25008199200

約数和(自身を除く): 15008373320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5830, 11660, 23320, 428809, 857618, 1715236, 2144045, 3430472, 4288090, 4716899, 8576180, 9433798, 17152360, 18867596, 22726877, 23584495, 37735192, 45453754, 47168990, 90907508, 94337980, 113634385, 181815016, 188675960, 227268770, 249995647, 454537540, 499991294, 909075080, 999982588, 1249978235, 1999965176, 2499956470, 4999912940, 9999825880]

約数ペア:

[(1, 9999825880), (2, 4999912940), (4, 2499956470), (5, 1999965176), (8, 1249978235), (10, 999982588), (11, 909075080), (20, 499991294), (22, 454537540), (40, 249995647), (44, 227268770), (53, 188675960), (55, 181815016), (88, 113634385), (106, 94337980), (110, 90907508), (212, 47168990), (220, 45453754), (265, 37735192), (424, 23584495), (440, 22726877), (530, 18867596), (583, 17152360), (1060, 9433798), (1166, 8576180), (2120, 4716899), (2332, 4288090), (2915, 3430472), (4664, 2144045), (5830, 1715236), (11660, 857618), (23320, 428809)]