31321180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142369}}^1$

素因数の和:142389

約数の個数: 24

約数和(自身を含む): 71754480

約数和(自身を除く): 40433300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142369, 284738, 569476, 711845, 1423690, 1566059, 2847380, 3132118, 6264236, 7830295, 15660590, 31321180]

約数ペア:

[(1, 31321180), (2, 15660590), (4, 7830295), (5, 6264236), (10, 3132118), (11, 2847380), (20, 1566059), (22, 1423690), (44, 711845), (55, 569476), (110, 284738), (220, 142369)]