271880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{971}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 699840

約数和(自身を除く): 427960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 971, 1942, 3884, 4855, 6797, 7768, 9710, 13594, 19420, 27188, 33985, 38840, 54376, 67970, 135940, 271880]

約数ペア:

[(1, 271880), (2, 135940), (4, 67970), (5, 54376), (7, 38840), (8, 33985), (10, 27188), (14, 19420), (20, 13594), (28, 9710), (35, 7768), (40, 6797), (56, 4855), (70, 3884), (140, 1942), (280, 971)]