913367620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{218509}}^1$

素因数の和:218548

約数の個数: 48

約数和(自身を含む): 2202580800

約数和(自身を除く): 1289213180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 218509, 437018, 874036, 1092545, 2185090, 2403599, 4151671, 4370180, 4807198, 8303342, 9614396, 12017995, 16606684, 20758355, 24035990, 41516710, 45668381, 48071980, 83033420, 91336762, 182673524, 228341905, 456683810, 913367620]

約数ペア:

[(1, 913367620), (2, 456683810), (4, 228341905), (5, 182673524), (10, 91336762), (11, 83033420), (19, 48071980), (20, 45668381), (22, 41516710), (38, 24035990), (44, 20758355), (55, 16606684), (76, 12017995), (95, 9614396), (110, 8303342), (190, 4807198), (209, 4370180), (220, 4151671), (380, 2403599), (418, 2185090), (836, 1092545), (1045, 874036), (2090, 437018), (4180, 218509)]