808500980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{825001}}^1$

素因数の和:825024

約数の個数: 36

約数和(自身を含む): 1975054788

約数和(自身を除く): 1166553808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 825001, 1650002, 3300004, 4125005, 5775007, 8250010, 11550014, 16500020, 23100028, 28875035, 40425049, 57750070, 80850098, 115500140, 161700196, 202125245, 404250490, 808500980]

約数ペア:

[(1, 808500980), (2, 404250490), (4, 202125245), (5, 161700196), (7, 115500140), (10, 80850098), (14, 57750070), (20, 40425049), (28, 28875035), (35, 23100028), (49, 16500020), (70, 11550014), (98, 8250010), (140, 5775007), (196, 4125005), (245, 3300004), (490, 1650002), (980, 825001)]