271389740

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{34883}}^1$

素因数の和:35281

約数の個数: 24

約数和(自身を含む): 571399920

約数和(自身を除く): 300010180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 34883, 69766, 139532, 174415, 348830, 697660, 13569487, 27138974, 54277948, 67847435, 135694870, 271389740]

約数ペア:

[(1, 271389740), (2, 135694870), (4, 67847435), (5, 54277948), (10, 27138974), (20, 13569487), (389, 697660), (778, 348830), (1556, 174415), (1945, 139532), (3890, 69766), (7780, 34883)]