77042840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275153}}^1$

素因数の和:275171

約数の個数: 32

約数和(自身を含む): 198110880

約数和(自身を除く): 121068040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275153, 550306, 1100612, 1375765, 1926071, 2201224, 2751530, 3852142, 5503060, 7704284, 9630355, 11006120, 15408568, 19260710, 38521420, 77042840]

約数ペア:

[(1, 77042840), (2, 38521420), (4, 19260710), (5, 15408568), (7, 11006120), (8, 9630355), (10, 7704284), (14, 5503060), (20, 3852142), (28, 2751530), (35, 2201224), (40, 1926071), (56, 1375765), (70, 1100612), (140, 550306), (280, 275153)]