1385380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 2939832

約数和(自身を除く): 1554452

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 613, 1130, 1226, 2260, 2452, 3065, 6130, 12260, 69269, 138538, 277076, 346345, 692690, 1385380]

約数ペア:

[(1, 1385380), (2, 692690), (4, 346345), (5, 277076), (10, 138538), (20, 69269), (113, 12260), (226, 6130), (452, 3065), (565, 2452), (613, 2260), (1130, 1226)]