149219620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 347292792

約数和(自身を除く): 198073172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 197, 220, 242, 313, 394, 484, 605, 626, 788, 985, 1210, 1252, 1565, 1970, 2167, 2420, 3130, 3443, 3940, 4334, 6260, 6886, 8668, 10835, 13772, 17215, 21670, 23837, 34430, 37873, 43340, 47674, 61661, 68860, 75746, 95348, 119185, 123322, 151492, 189365, 238370, 246644, 308305, 378730, 476740, 616610, 678271, 757460, 1233220, 1356542, 2713084, 3391355, 6782710, 7460981, 13565420, 14921962, 29843924, 37304905, 74609810, 149219620]

約数ペア:

[(1, 149219620), (2, 74609810), (4, 37304905), (5, 29843924), (10, 14921962), (11, 13565420), (20, 7460981), (22, 6782710), (44, 3391355), (55, 2713084), (110, 1356542), (121, 1233220), (197, 757460), (220, 678271), (242, 616610), (313, 476740), (394, 378730), (484, 308305), (605, 246644), (626, 238370), (788, 189365), (985, 151492), (1210, 123322), (1252, 119185), (1565, 95348), (1970, 75746), (2167, 68860), (2420, 61661), (3130, 47674), (3443, 43340), (3940, 37873), (4334, 34430), (6260, 23837), (6886, 21670), (8668, 17215), (10835, 13772)]