201317870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 395675280

約数和(自身を除く): 194357410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 169, 278, 338, 695, 845, 857, 1390, 1690, 1714, 1807, 3614, 4285, 8570, 9035, 11141, 18070, 22282, 23491, 46982, 55705, 111410, 117455, 119123, 144833, 234910, 238246, 289666, 595615, 724165, 1191230, 1448330, 1548599, 3097198, 7742995, 15485990, 20131787, 40263574, 100658935, 201317870]

約数ペア:

[(1, 201317870), (2, 100658935), (5, 40263574), (10, 20131787), (13, 15485990), (26, 7742995), (65, 3097198), (130, 1548599), (139, 1448330), (169, 1191230), (278, 724165), (338, 595615), (695, 289666), (845, 238246), (857, 234910), (1390, 144833), (1690, 119123), (1714, 117455), (1807, 111410), (3614, 55705), (4285, 46982), (8570, 23491), (9035, 22282), (11141, 18070)]