230577980

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{7121}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 484580880

約数和(自身を除く): 254002900

約数列:

[1, 2, 4, 5, 10, 20, 1619, 3238, 6476, 7121, 8095, 14242, 16190, 28484, 32380, 35605, 71210, 142420, 11528899, 23057798, 46115596, 57644495, 115288990, 230577980]

約数ペア:

[(1, 230577980), (2, 115288990), (4, 57644495), (5, 46115596), (10, 23057798), (20, 11528899), (1619, 142420), (3238, 71210), (6476, 35605), (7121, 32380), (8095, 28484), (14242, 16190)]