420559010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{689441}}^1$

素因数の和:689509

約数の個数: 16

約数和(自身を含む): 769417272

約数和(自身を除く): 348858262

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 689441, 1378882, 3447205, 6894410, 42055901, 84111802, 210279505, 420559010]

約数ペア:

[(1, 420559010), (2, 210279505), (5, 84111802), (10, 42055901), (61, 6894410), (122, 3447205), (305, 1378882), (610, 689441)]