358421780

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{12541}}^1$

素因数の和:13979

約数の個数: 24

約数和(自身を含む): 753272520

約数和(自身を除く): 394850740

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 5716, 7145, 12541, 14290, 25082, 28580, 50164, 62705, 125410, 250820, 17921089, 35842178, 71684356, 89605445, 179210890, 358421780]

約数ペア:

[(1, 358421780), (2, 179210890), (4, 89605445), (5, 71684356), (10, 35842178), (20, 17921089), (1429, 250820), (2858, 125410), (5716, 62705), (7145, 50164), (12541, 28580), (14290, 25082)]