255217820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89237}}^1$

素因数の和:89270

約数の個数: 48

約数和(自身を含む): 629663328

約数和(自身を除く): 374445508

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 89237, 178474, 356948, 446185, 892370, 981607, 1160081, 1784740, 1963214, 2320162, 3926428, 4640324, 4908035, 5800405, 9816070, 11600810, 12760891, 19632140, 23201620, 25521782, 51043564, 63804455, 127608910, 255217820]

約数ペア:

[(1, 255217820), (2, 127608910), (4, 63804455), (5, 51043564), (10, 25521782), (11, 23201620), (13, 19632140), (20, 12760891), (22, 11600810), (26, 9816070), (44, 5800405), (52, 4908035), (55, 4640324), (65, 3926428), (110, 2320162), (130, 1963214), (143, 1784740), (220, 1160081), (260, 981607), (286, 892370), (572, 446185), (715, 356948), (1430, 178474), (2860, 89237)]