138836740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43117}}^1$

素因数の和:43156

約数の個数: 48

約数和(自身を含む): 347703552

約数和(自身を除く): 208866812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43117, 86234, 172468, 215585, 301819, 431170, 603638, 862340, 991691, 1207276, 1509095, 1983382, 3018190, 3966764, 4958455, 6036380, 6941837, 9916910, 13883674, 19833820, 27767348, 34709185, 69418370, 138836740]

約数ペア:

[(1, 138836740), (2, 69418370), (4, 34709185), (5, 27767348), (7, 19833820), (10, 13883674), (14, 9916910), (20, 6941837), (23, 6036380), (28, 4958455), (35, 3966764), (46, 3018190), (70, 1983382), (92, 1509095), (115, 1207276), (140, 991691), (161, 862340), (230, 603638), (322, 431170), (460, 301819), (644, 215585), (805, 172468), (1610, 86234), (3220, 43117)]