388615660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9437}}^1$

素因数の和:9546

約数の個数: 48

約数和(自身を含む): 856215360

約数和(自身を除く): 467599700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 9437, 10295, 18874, 20590, 37748, 41180, 47185, 94370, 188740, 273673, 547346, 670027, 1094692, 1340054, 1368365, 2680108, 2736730, 3350135, 5473460, 6700270, 13400540, 19430783, 38861566, 77723132, 97153915, 194307830, 388615660]

約数ペア:

[(1, 388615660), (2, 194307830), (4, 97153915), (5, 77723132), (10, 38861566), (20, 19430783), (29, 13400540), (58, 6700270), (71, 5473460), (116, 3350135), (142, 2736730), (145, 2680108), (284, 1368365), (290, 1340054), (355, 1094692), (580, 670027), (710, 547346), (1420, 273673), (2059, 188740), (4118, 94370), (8236, 47185), (9437, 41180), (10295, 37748), (18874, 20590)]