393223820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 930859776

約数和(自身を除く): 537635956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 197, 211, 215, 220, 394, 422, 430, 473, 788, 844, 860, 946, 985, 1055, 1892, 1970, 2110, 2167, 2321, 2365, 3940, 4220, 4334, 4642, 4730, 8471, 8668, 9073, 9284, 9460, 10835, 11605, 16942, 18146, 21670, 23210, 33884, 36292, 41567, 42355, 43340, 45365, 46420, 83134, 84710, 90730, 93181, 99803, 166268, 169420, 181460, 186362, 199606, 207835, 372724, 399212, 415670, 457237, 465905, 499015, 831340, 914474, 931810, 998030, 1787381, 1828948, 1863620, 1996060, 2286185, 3574762, 4572370, 7149524, 8936905, 9144740, 17873810, 19661191, 35747620, 39322382, 78644764, 98305955, 196611910, 393223820]

約数ペア:

[(1, 393223820), (2, 196611910), (4, 98305955), (5, 78644764), (10, 39322382), (11, 35747620), (20, 19661191), (22, 17873810), (43, 9144740), (44, 8936905), (55, 7149524), (86, 4572370), (110, 3574762), (172, 2286185), (197, 1996060), (211, 1863620), (215, 1828948), (220, 1787381), (394, 998030), (422, 931810), (430, 914474), (473, 831340), (788, 499015), (844, 465905), (860, 457237), (946, 415670), (985, 399212), (1055, 372724), (1892, 207835), (1970, 199606), (2110, 186362), (2167, 181460), (2321, 169420), (2365, 166268), (3940, 99803), (4220, 93181), (4334, 90730), (4642, 84710), (4730, 83134), (8471, 46420), (8668, 45365), (9073, 43340), (9284, 42355), (9460, 41567), (10835, 36292), (11605, 33884), (16942, 23210), (18146, 21670)]