311804980

素因数分解:

$2^2\times 5^1\times {\mathrm{4217}}^1\times {\mathrm{3697}}^1$

素因数の和:7923

約数の個数: 24

約数和(自身を含む): 655122888

約数和(自身を除く): 343317908

約数列:

[1, 2, 4, 5, 10, 20, 3697, 4217, 7394, 8434, 14788, 16868, 18485, 21085, 36970, 42170, 73940, 84340, 15590249, 31180498, 62360996, 77951245, 155902490, 311804980]

約数ペア:

[(1, 311804980), (2, 155902490), (4, 77951245), (5, 62360996), (10, 31180498), (20, 15590249), (3697, 84340), (4217, 73940), (7394, 42170), (8434, 36970), (14788, 21085), (16868, 18485)]