13575940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1979}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 33264000

約数和(自身を除く): 19688060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1979, 3430, 3958, 6860, 7916, 9895, 13853, 19790, 27706, 39580, 55412, 69265, 96971, 138530, 193942, 277060, 387884, 484855, 678797, 969710, 1357594, 1939420, 2715188, 3393985, 6787970, 13575940]

約数ペア:

[(1, 13575940), (2, 6787970), (4, 3393985), (5, 2715188), (7, 1939420), (10, 1357594), (14, 969710), (20, 678797), (28, 484855), (35, 387884), (49, 277060), (70, 193942), (98, 138530), (140, 96971), (196, 69265), (245, 55412), (343, 39580), (490, 27706), (686, 19790), (980, 13853), (1372, 9895), (1715, 7916), (1979, 6860), (3430, 3958)]