451640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1613}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 1162080

約数和(自身を除く): 710440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1613, 3226, 6452, 8065, 11291, 12904, 16130, 22582, 32260, 45164, 56455, 64520, 90328, 112910, 225820, 451640]

約数ペア:

[(1, 451640), (2, 225820), (4, 112910), (5, 90328), (7, 64520), (8, 56455), (10, 45164), (14, 32260), (20, 22582), (28, 16130), (35, 12904), (40, 11291), (56, 8065), (70, 6452), (140, 3226), (280, 1613)]