85377970

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 156038400

約数和(自身を除く): 70660430

約数列:

[1, 2, 5, 10, 139, 239, 257, 278, 478, 514, 695, 1195, 1285, 1390, 2390, 2570, 33221, 35723, 61423, 66442, 71446, 122846, 166105, 178615, 307115, 332210, 357230, 614230, 8537797, 17075594, 42688985, 85377970]

約数ペア:

[(1, 85377970), (2, 42688985), (5, 17075594), (10, 8537797), (139, 614230), (239, 357230), (257, 332210), (278, 307115), (478, 178615), (514, 166105), (695, 122846), (1195, 71446), (1285, 66442), (1390, 61423), (2390, 35723), (2570, 33221)]