205429090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{336769}}^1$

素因数の和:336837

約数の個数: 16

約数和(自身を含む): 375835320

約数和(自身を除く): 170406230

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 336769, 673538, 1683845, 3367690, 20542909, 41085818, 102714545, 205429090]

約数ペア:

[(1, 205429090), (2, 102714545), (5, 41085818), (10, 20542909), (61, 3367690), (122, 1683845), (305, 673538), (610, 336769)]