139738768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 60

約数和(自身を含む): 307889148

約数和(自身を除く): 168150380

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 494, 722, 988, 1444, 1861, 1976, 2888, 3722, 3952, 4693, 5776, 7444, 9386, 14888, 18772, 24193, 29776, 35359, 37544, 48386, 70718, 75088, 96772, 141436, 193544, 282872, 387088, 459667, 565744, 671821, 919334, 1343642, 1838668, 2687284, 3677336, 5374568, 7354672, 8733673, 10749136, 17467346, 34934692, 69869384, 139738768]

約数ペア:

[(1, 139738768), (2, 69869384), (4, 34934692), (8, 17467346), (13, 10749136), (16, 8733673), (19, 7354672), (26, 5374568), (38, 3677336), (52, 2687284), (76, 1838668), (104, 1343642), (152, 919334), (208, 671821), (247, 565744), (304, 459667), (361, 387088), (494, 282872), (722, 193544), (988, 141436), (1444, 96772), (1861, 75088), (1976, 70718), (2888, 48386), (3722, 37544), (3952, 35359), (4693, 29776), (5776, 24193), (7444, 18772), (9386, 14888)]