1188897880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{272683}}^1$

素因数の和:272803

約数の個数: 32

約数和(自身を含む): 2699571600

約数和(自身を除く): 1510673720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 272683, 545366, 1090732, 1363415, 2181464, 2726830, 5453660, 10907320, 29722447, 59444894, 118889788, 148612235, 237779576, 297224470, 594448940, 1188897880]

約数ペア:

[(1, 1188897880), (2, 594448940), (4, 297224470), (5, 237779576), (8, 148612235), (10, 118889788), (20, 59444894), (40, 29722447), (109, 10907320), (218, 5453660), (436, 2726830), (545, 2181464), (872, 1363415), (1090, 1090732), (2180, 545366), (4360, 272683)]