125431780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{21701}}^1$

素因数の和:21744

約数の個数: 36

約数和(自身を含む): 279825588

約数和(自身を除く): 154393808

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 21701, 43402, 86804, 108505, 217010, 368917, 434020, 737834, 1475668, 1844585, 3689170, 6271589, 7378340, 12543178, 25086356, 31357945, 62715890, 125431780]

約数ペア:

[(1, 125431780), (2, 62715890), (4, 31357945), (5, 25086356), (10, 12543178), (17, 7378340), (20, 6271589), (34, 3689170), (68, 1844585), (85, 1475668), (170, 737834), (289, 434020), (340, 368917), (578, 217010), (1156, 108505), (1445, 86804), (2890, 43402), (5780, 21701)]