281610640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{48221}}^1$

素因数の和:48307

約数の個数: 40

約数和(自身を含む): 663727608

約数和(自身を除く): 382116968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 48221, 96442, 192884, 241105, 385768, 482210, 771536, 964420, 1928840, 3520133, 3857680, 7040266, 14080532, 17600665, 28161064, 35201330, 56322128, 70402660, 140805320, 281610640]

約数ペア:

[(1, 281610640), (2, 140805320), (4, 70402660), (5, 56322128), (8, 35201330), (10, 28161064), (16, 17600665), (20, 14080532), (40, 7040266), (73, 3857680), (80, 3520133), (146, 1928840), (292, 964420), (365, 771536), (584, 482210), (730, 385768), (1168, 241105), (1460, 192884), (2920, 96442), (5840, 48221)]