157305275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 211091400

約数和(自身を除く): 53786125

約数列:

[1, 5, 19, 25, 61, 89, 95, 305, 445, 475, 1159, 1525, 1691, 2225, 3721, 5429, 5795, 8455, 18605, 27145, 28975, 42275, 70699, 93025, 103151, 135725, 331169, 353495, 515755, 1655845, 1767475, 2578775, 6292211, 8279225, 31461055, 157305275]

約数ペア:

[(1, 157305275), (5, 31461055), (19, 8279225), (25, 6292211), (61, 2578775), (89, 1767475), (95, 1655845), (305, 515755), (445, 353495), (475, 331169), (1159, 135725), (1525, 103151), (1691, 93025), (2225, 70699), (3721, 42275), (5429, 28975), (5795, 27145), (8455, 18605)]