210003980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{75541}}^1$

素因数の和:75689

約数の個数: 24

約数和(自身を含む): 444186960

約数和(自身を除く): 234182980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 75541, 151082, 302164, 377705, 755410, 1510820, 10500199, 21000398, 42000796, 52500995, 105001990, 210003980]

約数ペア:

[(1, 210003980), (2, 105001990), (4, 52500995), (5, 42000796), (10, 21000398), (20, 10500199), (139, 1510820), (278, 755410), (556, 377705), (695, 302164), (1390, 151082), (2780, 75541)]