77698040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277493}}^1$

素因数の和:277511

約数の個数: 32

約数和(自身を含む): 199795680

約数和(自身を除く): 122097640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 277493, 554986, 1109972, 1387465, 1942451, 2219944, 2774930, 3884902, 5549860, 7769804, 9712255, 11099720, 15539608, 19424510, 38849020, 77698040]

約数ペア:

[(1, 77698040), (2, 38849020), (4, 19424510), (5, 15539608), (7, 11099720), (8, 9712255), (10, 7769804), (14, 5549860), (20, 3884902), (28, 2774930), (35, 2219944), (40, 1942451), (56, 1387465), (70, 1109972), (140, 554986), (280, 277493)]