266987770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{77839}}^1$

素因数の和:77867

約数の個数: 32

約数和(自身を含む): 560448000

約数和(自身を除く): 293460230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 77839, 155678, 389195, 544873, 778390, 1089746, 2724365, 3814111, 5448730, 7628222, 19070555, 26698777, 38141110, 53397554, 133493885, 266987770]

約数ペア:

[(1, 266987770), (2, 133493885), (5, 53397554), (7, 38141110), (10, 26698777), (14, 19070555), (35, 7628222), (49, 5448730), (70, 3814111), (98, 2724365), (245, 1089746), (343, 778390), (490, 544873), (686, 389195), (1715, 155678), (3430, 77839)]