788657680

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{43049}}^1$

素因数の和:43291

約数の個数: 40

約数和(自身を含む): 1841679000

約数和(自身を除く): 1053021320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 43049, 86098, 172196, 215245, 344392, 430490, 688784, 860980, 1721960, 3443920, 9858221, 19716442, 39432884, 49291105, 78865768, 98582210, 157731536, 197164420, 394328840, 788657680]

約数ペア:

[(1, 788657680), (2, 394328840), (4, 197164420), (5, 157731536), (8, 98582210), (10, 78865768), (16, 49291105), (20, 39432884), (40, 19716442), (80, 9858221), (229, 3443920), (458, 1721960), (916, 860980), (1145, 688784), (1832, 430490), (2290, 344392), (3664, 215245), (4580, 172196), (9160, 86098), (18320, 43049)]