518696180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{21487}}^1$

素因数の和:21584

約数の個数: 48

約数和(自身を含む): 1169634816

約数和(自身を除く): 650938636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 12070, 21487, 24140, 42974, 85948, 107435, 214870, 365279, 429740, 730558, 1461116, 1525577, 1826395, 3051154, 3652790, 6102308, 7305580, 7627885, 15255770, 25934809, 30511540, 51869618, 103739236, 129674045, 259348090, 518696180]

約数ペア:

[(1, 518696180), (2, 259348090), (4, 129674045), (5, 103739236), (10, 51869618), (17, 30511540), (20, 25934809), (34, 15255770), (68, 7627885), (71, 7305580), (85, 6102308), (142, 3652790), (170, 3051154), (284, 1826395), (340, 1525577), (355, 1461116), (710, 730558), (1207, 429740), (1420, 365279), (2414, 214870), (4828, 107435), (6035, 85948), (12070, 42974), (21487, 24140)]