138899560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{4129}}^1$

素因数の和:4198

約数の個数: 48

約数和(自身を含む): 323750700

約数和(自身を除く): 184851140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 3364, 4129, 4205, 6728, 8258, 8410, 16516, 16820, 20645, 33032, 33640, 41290, 82580, 119741, 165160, 239482, 478964, 598705, 957928, 1197410, 2394820, 3472489, 4789640, 6944978, 13889956, 17362445, 27779912, 34724890, 69449780, 138899560]

約数ペア:

[(1, 138899560), (2, 69449780), (4, 34724890), (5, 27779912), (8, 17362445), (10, 13889956), (20, 6944978), (29, 4789640), (40, 3472489), (58, 2394820), (116, 1197410), (145, 957928), (232, 598705), (290, 478964), (580, 239482), (841, 165160), (1160, 119741), (1682, 82580), (3364, 41290), (4129, 33640), (4205, 33032), (6728, 20645), (8258, 16820), (8410, 16516)]