201990428525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1168757}}^1$

素因数の和:1169021

約数の個数: 24

約数和(自身を含む): 259707377664

約数和(自身を除く): 57716949139

約数列:

[1, 5, 25, 31, 155, 223, 775, 1115, 5575, 6913, 34565, 172825, 1168757, 5843785, 29218925, 36231467, 181157335, 260632811, 905786675, 1303164055, 6515820275, 8079617141, 40398085705, 201990428525]

約数ペア:

[(1, 201990428525), (5, 40398085705), (25, 8079617141), (31, 6515820275), (155, 1303164055), (223, 905786675), (775, 260632811), (1115, 181157335), (5575, 36231467), (6913, 29218925), (34565, 5843785), (172825, 1168757)]