2123541980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{71887}}^1$

素因数の和:72114

約数の個数: 48

約数和(自身を含む): 5120726016

約数和(自身を除く): 2997184036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 71887, 143774, 287548, 359435, 503209, 718870, 1006418, 1437740, 2012836, 2516045, 5032090, 10064180, 15168157, 30336314, 60672628, 75840785, 106177099, 151681570, 212354198, 303363140, 424708396, 530885495, 1061770990, 2123541980]

約数ペア:

[(1, 2123541980), (2, 1061770990), (4, 530885495), (5, 424708396), (7, 303363140), (10, 212354198), (14, 151681570), (20, 106177099), (28, 75840785), (35, 60672628), (70, 30336314), (140, 15168157), (211, 10064180), (422, 5032090), (844, 2516045), (1055, 2012836), (1477, 1437740), (2110, 1006418), (2954, 718870), (4220, 503209), (5908, 359435), (7385, 287548), (14770, 143774), (29540, 71887)]