74427640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{265813}}^1$

素因数の和:265831

約数の個数: 32

約数和(自身を含む): 191386080

約数和(自身を除く): 116958440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 265813, 531626, 1063252, 1329065, 1860691, 2126504, 2658130, 3721382, 5316260, 7442764, 9303455, 10632520, 14885528, 18606910, 37213820, 74427640]

約数ペア:

[(1, 74427640), (2, 37213820), (4, 18606910), (5, 14885528), (7, 10632520), (8, 9303455), (10, 7442764), (14, 5316260), (20, 3721382), (28, 2658130), (35, 2126504), (40, 1860691), (56, 1329065), (70, 1063252), (140, 531626), (280, 265813)]