305366680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{67559}}^1$

素因数の和:67683

約数の個数: 32

約数和(自身を含む): 693165600

約数和(自身を除く): 387798920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 67559, 135118, 270236, 337795, 540472, 675590, 1351180, 2702360, 7634167, 15268334, 30536668, 38170835, 61073336, 76341670, 152683340, 305366680]

約数ペア:

[(1, 305366680), (2, 152683340), (4, 76341670), (5, 61073336), (8, 38170835), (10, 30536668), (20, 15268334), (40, 7634167), (113, 2702360), (226, 1351180), (452, 675590), (565, 540472), (904, 337795), (1130, 270236), (2260, 135118), (4520, 67559)]