68899580

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9871}}^1$

素因数の和:10229

約数の個数: 24

約数和(自身を含む): 145118400

約数和(自身を除く): 76218820

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 9871, 19742, 39484, 49355, 98710, 197420, 3444979, 6889958, 13779916, 17224895, 34449790, 68899580]

約数ペア:

[(1, 68899580), (2, 34449790), (4, 17224895), (5, 13779916), (10, 6889958), (20, 3444979), (349, 197420), (698, 98710), (1396, 49355), (1745, 39484), (3490, 19742), (6980, 9871)]