218646740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{36563}}^1$

素因数の和:36608

約数の個数: 48

約数和(自身を含む): 515991168

約数和(自身を除く): 297344428

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 36563, 73126, 146252, 182815, 365630, 475319, 731260, 840949, 950638, 1681898, 1901276, 2376595, 3363796, 4204745, 4753190, 8409490, 9506380, 10932337, 16818980, 21864674, 43729348, 54661685, 109323370, 218646740]

約数ペア:

[(1, 218646740), (2, 109323370), (4, 54661685), (5, 43729348), (10, 21864674), (13, 16818980), (20, 10932337), (23, 9506380), (26, 8409490), (46, 4753190), (52, 4204745), (65, 3363796), (92, 2376595), (115, 1901276), (130, 1681898), (230, 950638), (260, 840949), (299, 731260), (460, 475319), (598, 365630), (1196, 182815), (1495, 146252), (2990, 73126), (5980, 36563)]