68001380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{178951}}^1$

素因数の和:178979

約数の個数: 24

約数和(自身を含む): 150319680

約数和(自身を除く): 82318300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 178951, 357902, 715804, 894755, 1789510, 3400069, 3579020, 6800138, 13600276, 17000345, 34000690, 68001380]

約数ペア:

[(1, 68001380), (2, 34000690), (4, 17000345), (5, 13600276), (10, 6800138), (19, 3579020), (20, 3400069), (38, 1789510), (76, 894755), (95, 715804), (190, 357902), (380, 178951)]