70350580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 152349120

約数和(自身を除く): 81998540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 430, 457, 716, 860, 895, 914, 1790, 1828, 2285, 3580, 4570, 7697, 9140, 15394, 19651, 30788, 38485, 39302, 76970, 78604, 81803, 98255, 153940, 163606, 196510, 327212, 393020, 409015, 818030, 1636060, 3517529, 7035058, 14070116, 17587645, 35175290, 70350580]

約数ペア:

[(1, 70350580), (2, 35175290), (4, 17587645), (5, 14070116), (10, 7035058), (20, 3517529), (43, 1636060), (86, 818030), (172, 409015), (179, 393020), (215, 327212), (358, 196510), (430, 163606), (457, 153940), (716, 98255), (860, 81803), (895, 78604), (914, 76970), (1790, 39302), (1828, 38485), (2285, 30788), (3580, 19651), (4570, 15394), (7697, 9140)]