291117740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{2027}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 629620992

約数和(自身を除く): 338503252

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 430, 668, 835, 860, 1670, 2027, 3340, 4054, 7181, 8108, 10135, 14362, 20270, 28724, 35905, 40540, 71810, 87161, 143620, 174322, 338509, 348644, 435805, 677018, 871610, 1354036, 1692545, 1743220, 3385090, 6770180, 14555887, 29111774, 58223548, 72779435, 145558870, 291117740]

約数ペア:

[(1, 291117740), (2, 145558870), (4, 72779435), (5, 58223548), (10, 29111774), (20, 14555887), (43, 6770180), (86, 3385090), (167, 1743220), (172, 1692545), (215, 1354036), (334, 871610), (430, 677018), (668, 435805), (835, 348644), (860, 338509), (1670, 174322), (2027, 143620), (3340, 87161), (4054, 71810), (7181, 40540), (8108, 35905), (10135, 28724), (14362, 20270)]