28490290

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{19121}}^1$

素因数の和:19277

約数の個数: 16

約数和(自身を含む): 51629400

約数和(自身を除く): 23139110

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 19121, 38242, 95605, 191210, 2849029, 5698058, 14245145, 28490290]

約数ペア:

[(1, 28490290), (2, 14245145), (5, 5698058), (10, 2849029), (149, 191210), (298, 95605), (745, 38242), (1490, 19121)]