266901860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 575600256

約数和(自身を除く): 308698396

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 503, 617, 860, 1006, 1234, 2012, 2468, 2515, 3085, 5030, 6170, 10060, 12340, 21629, 26531, 43258, 53062, 86516, 106124, 108145, 132655, 216290, 265310, 310351, 432580, 530620, 620702, 1241404, 1551755, 3103510, 6207020, 13345093, 26690186, 53380372, 66725465, 133450930, 266901860]

約数ペア:

[(1, 266901860), (2, 133450930), (4, 66725465), (5, 53380372), (10, 26690186), (20, 13345093), (43, 6207020), (86, 3103510), (172, 1551755), (215, 1241404), (430, 620702), (503, 530620), (617, 432580), (860, 310351), (1006, 265310), (1234, 216290), (2012, 132655), (2468, 108145), (2515, 106124), (3085, 86516), (5030, 53062), (6170, 43258), (10060, 26531), (12340, 21629)]