129340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 282240

約数和(自身を除く): 152900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 223, 290, 446, 580, 892, 1115, 2230, 4460, 6467, 12934, 25868, 32335, 64670, 129340]

約数ペア:

[(1, 129340), (2, 64670), (4, 32335), (5, 25868), (10, 12934), (20, 6467), (29, 4460), (58, 2230), (116, 1115), (145, 892), (223, 580), (290, 446)]