72985700

素因数分解:

$2^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{2579}}^1$

素因数の和:2876

約数の個数: 36

約数和(自身を含む): 159000240

約数和(自身を除く): 86014540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283, 566, 1132, 1415, 2579, 2830, 5158, 5660, 7075, 10316, 12895, 14150, 25790, 28300, 51580, 64475, 128950, 257900, 729857, 1459714, 2919428, 3649285, 7298570, 14597140, 18246425, 36492850, 72985700]

約数ペア:

[(1, 72985700), (2, 36492850), (4, 18246425), (5, 14597140), (10, 7298570), (20, 3649285), (25, 2919428), (50, 1459714), (100, 729857), (283, 257900), (566, 128950), (1132, 64475), (1415, 51580), (2579, 28300), (2830, 25790), (5158, 14150), (5660, 12895), (7075, 10316)]