248831420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401341}}^1$

素因数の和:401381

約数の個数: 24

約数和(自身を含む): 539403648

約数和(自身を除く): 290572228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 401341, 802682, 1605364, 2006705, 4013410, 8026820, 12441571, 24883142, 49766284, 62207855, 124415710, 248831420]

約数ペア:

[(1, 248831420), (2, 124415710), (4, 62207855), (5, 49766284), (10, 24883142), (20, 12441571), (31, 8026820), (62, 4013410), (124, 2006705), (155, 1605364), (310, 802682), (620, 401341)]