71380900

素因数分解:

$2^2\times 5^2\times {\mathrm{787}}^1\times {\mathrm{907}}^1$

素因数の和:1708

約数の個数: 36

約数和(自身を含む): 155264368

約数和(自身を除く): 83883468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 787, 907, 1574, 1814, 3148, 3628, 3935, 4535, 7870, 9070, 15740, 18140, 19675, 22675, 39350, 45350, 78700, 90700, 713809, 1427618, 2855236, 3569045, 7138090, 14276180, 17845225, 35690450, 71380900]

約数ペア:

[(1, 71380900), (2, 35690450), (4, 17845225), (5, 14276180), (10, 7138090), (20, 3569045), (25, 2855236), (50, 1427618), (100, 713809), (787, 90700), (907, 78700), (1574, 45350), (1814, 39350), (3148, 22675), (3628, 19675), (3935, 18140), (4535, 15740), (7870, 9070)]