490368620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3502633}}^1$

素因数の和:3502649

約数の個数: 24

約数和(自身を含む): 1176885024

約数和(自身を除く): 686516404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3502633, 7005266, 14010532, 17513165, 24518431, 35026330, 49036862, 70052660, 98073724, 122592155, 245184310, 490368620]

約数ペア:

[(1, 490368620), (2, 245184310), (4, 122592155), (5, 98073724), (7, 70052660), (10, 49036862), (14, 35026330), (20, 24518431), (28, 17513165), (35, 14010532), (70, 7005266), (140, 3502633)]