61418980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438707}}^1$

素因数の和:438723

約数の個数: 24

約数和(自身を含む): 147405888

約数和(自身を除く): 85986908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438707, 877414, 1754828, 2193535, 3070949, 4387070, 6141898, 8774140, 12283796, 15354745, 30709490, 61418980]

約数ペア:

[(1, 61418980), (2, 30709490), (4, 15354745), (5, 12283796), (7, 8774140), (10, 6141898), (14, 4387070), (20, 3070949), (28, 2193535), (35, 1754828), (70, 877414), (140, 438707)]