201680390

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{64849}}^1$

素因数の和:65167

約数の個数: 16

約数和(自身を含む): 364197600

約数和(自身を除く): 162517210

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 64849, 129698, 324245, 648490, 20168039, 40336078, 100840195, 201680390]

約数ペア:

[(1, 201680390), (2, 100840195), (5, 40336078), (10, 20168039), (311, 648490), (622, 324245), (1555, 129698), (3110, 64849)]