190725880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{67157}}^1$

素因数の和:67239

約数の個数: 32

約数和(自身を含む): 435183840

約数和(自身を除く): 244457960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 67157, 134314, 268628, 335785, 537256, 671570, 1343140, 2686280, 4768147, 9536294, 19072588, 23840735, 38145176, 47681470, 95362940, 190725880]

約数ペア:

[(1, 190725880), (2, 95362940), (4, 47681470), (5, 38145176), (8, 23840735), (10, 19072588), (20, 9536294), (40, 4768147), (71, 2686280), (142, 1343140), (284, 671570), (355, 537256), (568, 335785), (710, 268628), (1420, 134314), (2840, 67157)]