28694420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9629}}^1$

素因数の和:9787

約数の個数: 24

約数和(自身を含む): 60669000

約数和(自身を除く): 31974580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9629, 19258, 38516, 48145, 96290, 192580, 1434721, 2869442, 5738884, 7173605, 14347210, 28694420]

約数ペア:

[(1, 28694420), (2, 14347210), (4, 7173605), (5, 5738884), (10, 2869442), (20, 1434721), (149, 192580), (298, 96290), (596, 48145), (745, 38516), (1490, 19258), (2980, 9629)]