90290620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{644933}}^1$

素因数の和:644949

約数の個数: 24

約数和(自身を含む): 216697824

約数和(自身を除く): 126407204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 644933, 1289866, 2579732, 3224665, 4514531, 6449330, 9029062, 12898660, 18058124, 22572655, 45145310, 90290620]

約数ペア:

[(1, 90290620), (2, 45145310), (4, 22572655), (5, 18058124), (7, 12898660), (10, 9029062), (14, 6449330), (20, 4514531), (28, 3224665), (35, 2579732), (70, 1289866), (140, 644933)]