271420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 585648

約数和(自身を除く): 314228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 331, 410, 662, 820, 1324, 1655, 3310, 6620, 13571, 27142, 54284, 67855, 135710, 271420]

約数ペア:

[(1, 271420), (2, 135710), (4, 67855), (5, 54284), (10, 27142), (20, 13571), (41, 6620), (82, 3310), (164, 1655), (205, 1324), (331, 820), (410, 662)]