531246140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{374117}}^1$

素因数の和:374197

約数の個数: 24

約数和(自身を含む): 1131332832

約数和(自身を除く): 600086692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 374117, 748234, 1496468, 1870585, 3741170, 7482340, 26562307, 53124614, 106249228, 132811535, 265623070, 531246140]

約数ペア:

[(1, 531246140), (2, 265623070), (4, 132811535), (5, 106249228), (10, 53124614), (20, 26562307), (71, 7482340), (142, 3741170), (284, 1870585), (355, 1496468), (710, 748234), (1420, 374117)]