138988720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 351540000

約数和(自身を除く): 212551280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1249, 1391, 1712, 2140, 2498, 2782, 4280, 4996, 5564, 6245, 6955, 8560, 9992, 11128, 12490, 13910, 16237, 19984, 22256, 24980, 27820, 32474, 49960, 55640, 64948, 81185, 99920, 111280, 129896, 133643, 162370, 259792, 267286, 324740, 534572, 649480, 668215, 1069144, 1298960, 1336430, 1737359, 2138288, 2672860, 3474718, 5345720, 6949436, 8686795, 10691440, 13898872, 17373590, 27797744, 34747180, 69494360, 138988720]

約数ペア:

[(1, 138988720), (2, 69494360), (4, 34747180), (5, 27797744), (8, 17373590), (10, 13898872), (13, 10691440), (16, 8686795), (20, 6949436), (26, 5345720), (40, 3474718), (52, 2672860), (65, 2138288), (80, 1737359), (104, 1336430), (107, 1298960), (130, 1069144), (208, 668215), (214, 649480), (260, 534572), (428, 324740), (520, 267286), (535, 259792), (856, 162370), (1040, 133643), (1070, 129896), (1249, 111280), (1391, 99920), (1712, 81185), (2140, 64948), (2498, 55640), (2782, 49960), (4280, 32474), (4996, 27820), (5564, 24980), (6245, 22256), (6955, 19984), (8560, 16237), (9992, 13910), (11128, 12490)]