266435560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{391817}}^1$

素因数の和:391845

約数の個数: 32

約数和(自身を含む): 634745160

約数和(自身を除く): 368309600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 391817, 783634, 1567268, 1959085, 3134536, 3918170, 6660889, 7836340, 13321778, 15672680, 26643556, 33304445, 53287112, 66608890, 133217780, 266435560]

約数ペア:

[(1, 266435560), (2, 133217780), (4, 66608890), (5, 53287112), (8, 33304445), (10, 26643556), (17, 15672680), (20, 13321778), (34, 7836340), (40, 6660889), (68, 3918170), (85, 3134536), (136, 1959085), (170, 1567268), (340, 783634), (680, 391817)]