138556490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 265923000

約数和(自身を除く): 127366510

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 349, 370, 698, 1073, 1369, 1745, 2146, 2738, 3490, 5365, 6845, 10121, 10730, 12913, 13690, 20242, 25826, 39701, 50605, 64565, 79402, 101210, 129130, 198505, 374477, 397010, 477781, 748954, 955562, 1872385, 2388905, 3744770, 4777810, 13855649, 27711298, 69278245, 138556490]

約数ペア:

[(1, 138556490), (2, 69278245), (5, 27711298), (10, 13855649), (29, 4777810), (37, 3744770), (58, 2388905), (74, 1872385), (145, 955562), (185, 748954), (290, 477781), (349, 397010), (370, 374477), (698, 198505), (1073, 129130), (1369, 101210), (1745, 79402), (2146, 64565), (2738, 50605), (3490, 39701), (5365, 25826), (6845, 20242), (10121, 13690), (10730, 12913)]