212511180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505979}}^1$

素因数の和:505998

約数の個数: 48

約数和(自身を含む): 680037120

約数和(自身を除く): 467525940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 505979, 1011958, 1517937, 2023916, 2529895, 3035874, 3541853, 5059790, 6071748, 7083706, 7589685, 10119580, 10625559, 14167412, 15179370, 17709265, 21251118, 30358740, 35418530, 42502236, 53127795, 70837060, 106255590, 212511180]

約数ペア:

[(1, 212511180), (2, 106255590), (3, 70837060), (4, 53127795), (5, 42502236), (6, 35418530), (7, 30358740), (10, 21251118), (12, 17709265), (14, 15179370), (15, 14167412), (20, 10625559), (21, 10119580), (28, 7589685), (30, 7083706), (35, 6071748), (42, 5059790), (60, 3541853), (70, 3035874), (84, 2529895), (105, 2023916), (140, 1517937), (210, 1011958), (420, 505979)]