290450225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{30817}}^1$

素因数の和:30869

約数の個数: 24

約数和(自身を含む): 401250360

約数和(自身を除く): 110800135

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 30817, 154085, 400621, 770425, 893693, 2003105, 4468465, 10015525, 11618009, 22342325, 58090045, 290450225]

約数ペア:

[(1, 290450225), (5, 58090045), (13, 22342325), (25, 11618009), (29, 10015525), (65, 4468465), (145, 2003105), (325, 893693), (377, 770425), (725, 400621), (1885, 154085), (9425, 30817)]