30930020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12781}}^1$

素因数の和:12812

約数の個数: 36

約数和(自身を含む): 71400252

約数和(自身を除く): 40470232

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12781, 25562, 51124, 63905, 127810, 140591, 255620, 281182, 562364, 702955, 1405910, 1546501, 2811820, 3093002, 6186004, 7732505, 15465010, 30930020]

約数ペア:

[(1, 30930020), (2, 15465010), (4, 7732505), (5, 6186004), (10, 3093002), (11, 2811820), (20, 1546501), (22, 1405910), (44, 702955), (55, 562364), (110, 281182), (121, 255620), (220, 140591), (242, 127810), (484, 63905), (605, 51124), (1210, 25562), (2420, 12781)]