31016860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221549}}^1$

素因数の和:221565

約数の個数: 24

約数和(自身を含む): 74440800

約数和(自身を除く): 43423940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221549, 443098, 886196, 1107745, 1550843, 2215490, 3101686, 4430980, 6203372, 7754215, 15508430, 31016860]

約数ペア:

[(1, 31016860), (2, 15508430), (4, 7754215), (5, 6203372), (7, 4430980), (10, 3101686), (14, 2215490), (20, 1550843), (28, 1107745), (35, 886196), (70, 443098), (140, 221549)]