2011490420

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{467}}^1\times {\mathrm{761}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 4253715648

約数和(自身を除く): 2242225228

約数列:

[1, 2, 4, 5, 10, 20, 283, 467, 566, 761, 934, 1132, 1415, 1522, 1868, 2335, 2830, 3044, 3805, 4670, 5660, 7610, 9340, 15220, 132161, 215363, 264322, 355387, 430726, 528644, 660805, 710774, 861452, 1076815, 1321610, 1421548, 1776935, 2153630, 2643220, 3553870, 4307260, 7107740, 100574521, 201149042, 402298084, 502872605, 1005745210, 2011490420]

約数ペア:

[(1, 2011490420), (2, 1005745210), (4, 502872605), (5, 402298084), (10, 201149042), (20, 100574521), (283, 7107740), (467, 4307260), (566, 3553870), (761, 2643220), (934, 2153630), (1132, 1776935), (1415, 1421548), (1522, 1321610), (1868, 1076815), (2335, 861452), (2830, 710774), (3044, 660805), (3805, 528644), (4670, 430726), (5660, 355387), (7610, 264322), (9340, 215363), (15220, 132161)]