71428590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18513

約数の個数: 48

約数和(自身を含む): 190043568

約数和(自身を除く): 118614978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 18457, 36914, 55371, 92285, 110742, 166113, 184570, 276855, 332226, 553710, 793651, 830565, 1587302, 1661130, 2380953, 3968255, 4761906, 7142859, 7936510, 11904765, 14285718, 23809530, 35714295, 71428590]

約数ペア:

[(1, 71428590), (2, 35714295), (3, 23809530), (5, 14285718), (6, 11904765), (9, 7936510), (10, 7142859), (15, 4761906), (18, 3968255), (30, 2380953), (43, 1661130), (45, 1587302), (86, 830565), (90, 793651), (129, 553710), (215, 332226), (258, 276855), (387, 184570), (430, 166113), (645, 110742), (774, 92285), (1290, 55371), (1935, 36914), (3870, 18457)]