189747560

素因数分解:

$2^3\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{2549}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 427329000

約数和(自身を除く): 237581440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1861, 2549, 3722, 5098, 7444, 9305, 10196, 12745, 14888, 18610, 20392, 25490, 37220, 50980, 74440, 101960, 4743689, 9487378, 18974756, 23718445, 37949512, 47436890, 94873780, 189747560]

約数ペア:

[(1, 189747560), (2, 94873780), (4, 47436890), (5, 37949512), (8, 23718445), (10, 18974756), (20, 9487378), (40, 4743689), (1861, 101960), (2549, 74440), (3722, 50980), (5098, 37220), (7444, 25490), (9305, 20392), (10196, 18610), (12745, 14888)]