85202980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{14741}}^1$

素因数の和:14784

約数の個数: 36

約数和(自身を含む): 190083348

約数和(自身を除く): 104880368

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 14741, 29482, 58964, 73705, 147410, 250597, 294820, 501194, 1002388, 1252985, 2505970, 4260149, 5011940, 8520298, 17040596, 21300745, 42601490, 85202980]

約数ペア:

[(1, 85202980), (2, 42601490), (4, 21300745), (5, 17040596), (10, 8520298), (17, 5011940), (20, 4260149), (34, 2505970), (68, 1252985), (85, 1002388), (170, 501194), (289, 294820), (340, 250597), (578, 147410), (1156, 73705), (1445, 58964), (2890, 29482), (5780, 14741)]