260120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 669600

約数和(自身を除く): 409480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 929, 1858, 3716, 4645, 6503, 7432, 9290, 13006, 18580, 26012, 32515, 37160, 52024, 65030, 130060, 260120]

約数ペア:

[(1, 260120), (2, 130060), (4, 65030), (5, 52024), (7, 37160), (8, 32515), (10, 26012), (14, 18580), (20, 13006), (28, 9290), (35, 7432), (40, 6503), (56, 4645), (70, 3716), (140, 1858), (280, 929)]