287477620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{96469}}^1$

素因数の和:96627

約数の個数: 24

約数和(自身を含む): 607761000

約数和(自身を除く): 320283380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 96469, 192938, 385876, 482345, 964690, 1929380, 14373881, 28747762, 57495524, 71869405, 143738810, 287477620]

約数ペア:

[(1, 287477620), (2, 143738810), (4, 71869405), (5, 57495524), (10, 28747762), (20, 14373881), (149, 1929380), (298, 964690), (596, 482345), (745, 385876), (1490, 192938), (2980, 96469)]