134373220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{216731}}^1$

素因数の和:216771

約数の個数: 24

約数和(自身を含む): 291287808

約数和(自身を除く): 156914588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 216731, 433462, 866924, 1083655, 2167310, 4334620, 6718661, 13437322, 26874644, 33593305, 67186610, 134373220]

約数ペア:

[(1, 134373220), (2, 67186610), (4, 33593305), (5, 26874644), (10, 13437322), (20, 6718661), (31, 4334620), (62, 2167310), (124, 1083655), (155, 866924), (310, 433462), (620, 216731)]