209790465220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1498503323}}^1$

素因数の和:1498503339

約数の個数: 24

約数和(自身を含む): 503497116864

約数和(自身を除く): 293706651644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1498503323, 2997006646, 5994013292, 7492516615, 10489523261, 14985033230, 20979046522, 29970066460, 41958093044, 52447616305, 104895232610, 209790465220]

約数ペア:

[(1, 209790465220), (2, 104895232610), (4, 52447616305), (5, 41958093044), (7, 29970066460), (10, 20979046522), (14, 14985033230), (20, 10489523261), (28, 7492516615), (35, 5994013292), (70, 2997006646), (140, 1498503323)]