179617220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{126491}}^1$

素因数の和:126571

約数の個数: 24

約数和(自身を含む): 382511808

約数和(自身を除く): 202894588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 126491, 252982, 505964, 632455, 1264910, 2529820, 8980861, 17961722, 35923444, 44904305, 89808610, 179617220]

約数ペア:

[(1, 179617220), (2, 89808610), (4, 44904305), (5, 35923444), (10, 17961722), (20, 8980861), (71, 2529820), (142, 1264910), (284, 632455), (355, 505964), (710, 252982), (1420, 126491)]