8280730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 15396480

約数和(自身を除く): 7115750

約数列:

[1, 2, 5, 10, 71, 107, 109, 142, 214, 218, 355, 535, 545, 710, 1070, 1090, 7597, 7739, 11663, 15194, 15478, 23326, 37985, 38695, 58315, 75970, 77390, 116630, 828073, 1656146, 4140365, 8280730]

約数ペア:

[(1, 8280730), (2, 4140365), (5, 1656146), (10, 828073), (71, 116630), (107, 77390), (109, 75970), (142, 58315), (214, 38695), (218, 37985), (355, 23326), (535, 15478), (545, 15194), (710, 11663), (1070, 7739), (1090, 7597)]