139150940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 304711680

約数和(自身を除く): 165560740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 2179, 3193, 4358, 6386, 8716, 10895, 12772, 15965, 21790, 31930, 43580, 63860, 67549, 135098, 224437, 270196, 337745, 448874, 675490, 897748, 1122185, 1350980, 2244370, 4488740, 6957547, 13915094, 27830188, 34787735, 69575470, 139150940]

約数ペア:

[(1, 139150940), (2, 69575470), (4, 34787735), (5, 27830188), (10, 13915094), (20, 6957547), (31, 4488740), (62, 2244370), (103, 1350980), (124, 1122185), (155, 897748), (206, 675490), (310, 448874), (412, 337745), (515, 270196), (620, 224437), (1030, 135098), (2060, 67549), (2179, 63860), (3193, 43580), (4358, 31930), (6386, 21790), (8716, 15965), (10895, 12772)]