139634540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{225217}}^1$

素因数の和:225257

約数の個数: 24

約数和(自身を含む): 302692992

約数和(自身を除く): 163058452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 225217, 450434, 900868, 1126085, 2252170, 4504340, 6981727, 13963454, 27926908, 34908635, 69817270, 139634540]

約数ペア:

[(1, 139634540), (2, 69817270), (4, 34908635), (5, 27926908), (10, 13963454), (20, 6981727), (31, 4504340), (62, 2252170), (124, 1126085), (155, 900868), (310, 450434), (620, 225217)]