77442680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276581}}^1$

素因数の和:276599

約数の個数: 32

約数和(自身を含む): 199139040

約数和(自身を除く): 121696360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276581, 553162, 1106324, 1382905, 1936067, 2212648, 2765810, 3872134, 5531620, 7744268, 9680335, 11063240, 15488536, 19360670, 38721340, 77442680]

約数ペア:

[(1, 77442680), (2, 38721340), (4, 19360670), (5, 15488536), (7, 11063240), (8, 9680335), (10, 7744268), (14, 5531620), (20, 3872134), (28, 2765810), (35, 2212648), (40, 1936067), (56, 1382905), (70, 1106324), (140, 553162), (280, 276581)]