203450575

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{22543}}^1$

素因数の和:22591

約数の個数: 18

約数和(自身を含む): 266267184

約数和(自身を除く): 62816609

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 22543, 112715, 428317, 563575, 2141585, 8138023, 10707925, 40690115, 203450575]

約数ペア:

[(1, 203450575), (5, 40690115), (19, 10707925), (25, 8138023), (95, 2141585), (361, 563575), (475, 428317), (1805, 112715), (9025, 22543)]