397351325

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 584664960

約数和(自身を除く): 187313635

約数列:

[1, 5, 7, 25, 35, 37, 109, 175, 185, 259, 545, 563, 763, 925, 1295, 2725, 2815, 3815, 3941, 4033, 6475, 14075, 19075, 19705, 20165, 20831, 28231, 61367, 98525, 100825, 104155, 141155, 145817, 306835, 429569, 520775, 705775, 729085, 1534175, 2147845, 2270579, 3645425, 10739225, 11352895, 15894053, 56764475, 79470265, 397351325]

約数ペア:

[(1, 397351325), (5, 79470265), (7, 56764475), (25, 15894053), (35, 11352895), (37, 10739225), (109, 3645425), (175, 2270579), (185, 2147845), (259, 1534175), (545, 729085), (563, 705775), (763, 520775), (925, 429569), (1295, 306835), (2725, 145817), (2815, 141155), (3815, 104155), (3941, 100825), (4033, 98525), (6475, 61367), (14075, 28231), (19075, 20831), (19705, 20165)]