870932780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{6263}}^1$

素因数の和:6698

約数の個数: 48

約数和(自身を含む): 1941589440

約数和(自身を除く): 1070656660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1636, 2045, 4090, 6263, 6953, 8180, 12526, 13906, 25052, 27812, 31315, 34765, 62630, 69530, 106471, 125260, 139060, 212942, 425884, 532355, 1064710, 2129420, 2561567, 5123134, 10246268, 12807835, 25615670, 43546639, 51231340, 87093278, 174186556, 217733195, 435466390, 870932780]

約数ペア:

[(1, 870932780), (2, 435466390), (4, 217733195), (5, 174186556), (10, 87093278), (17, 51231340), (20, 43546639), (34, 25615670), (68, 12807835), (85, 10246268), (170, 5123134), (340, 2561567), (409, 2129420), (818, 1064710), (1636, 532355), (2045, 425884), (4090, 212942), (6263, 139060), (6953, 125260), (8180, 106471), (12526, 69530), (13906, 62630), (25052, 34765), (27812, 31315)]