290000856

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{47017}}^1$

素因数の和:47283

約数の個数: 32

約数和(自身を含む): 727838640

約数和(自身を除く): 437837784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 47017, 94034, 141051, 188068, 282102, 376136, 564204, 1128408, 12083369, 24166738, 36250107, 48333476, 72500214, 96666952, 145000428, 290000856]

約数ペア:

[(1, 290000856), (2, 145000428), (3, 96666952), (4, 72500214), (6, 48333476), (8, 36250107), (12, 24166738), (24, 12083369), (257, 1128408), (514, 564204), (771, 376136), (1028, 282102), (1542, 188068), (2056, 141051), (3084, 94034), (6168, 47017)]