30817690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22171}}^1$

素因数の和:22317

約数の個数: 16

約数和(自身を含む): 55873440

約数和(自身を除く): 25055750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 22171, 44342, 110855, 221710, 3081769, 6163538, 15408845, 30817690]

約数ペア:

[(1, 30817690), (2, 15408845), (5, 6163538), (10, 3081769), (139, 221710), (278, 110855), (695, 44342), (1390, 22171)]