256667430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{198967}}^1$

素因数の和:199020

約数の個数: 32

約数和(自身を含む): 630330624

約数和(自身を除く): 373663194

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 198967, 397934, 596901, 994835, 1193802, 1989670, 2984505, 5969010, 8555581, 17111162, 25666743, 42777905, 51333486, 85555810, 128333715, 256667430]

約数ペア:

[(1, 256667430), (2, 128333715), (3, 85555810), (5, 51333486), (6, 42777905), (10, 25666743), (15, 17111162), (30, 8555581), (43, 5969010), (86, 2984505), (129, 1989670), (215, 1193802), (258, 994835), (430, 596901), (645, 397934), (1290, 198967)]