143130620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 306848640

約数和(自身を除く): 163718020

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 577, 628, 785, 790, 1154, 1570, 1580, 2308, 2885, 3140, 5770, 11540, 12403, 24806, 45583, 49612, 62015, 90589, 91166, 124030, 181178, 182332, 227915, 248060, 362356, 452945, 455830, 905890, 911660, 1811780, 7156531, 14313062, 28626124, 35782655, 71565310, 143130620]

約数ペア:

[(1, 143130620), (2, 71565310), (4, 35782655), (5, 28626124), (10, 14313062), (20, 7156531), (79, 1811780), (157, 911660), (158, 905890), (314, 455830), (316, 452945), (395, 362356), (577, 248060), (628, 227915), (785, 182332), (790, 181178), (1154, 124030), (1570, 91166), (1580, 90589), (2308, 62015), (2885, 49612), (3140, 45583), (5770, 24806), (11540, 12403)]