42214865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 26905135

約数列:

[1, 5, 7, 11, 19, 29, 35, 55, 77, 95, 133, 145, 199, 203, 209, 319, 385, 551, 665, 995, 1015, 1045, 1393, 1463, 1595, 2189, 2233, 2755, 3781, 3857, 5771, 6061, 6965, 7315, 10945, 11165, 15323, 18905, 19285, 26467, 28855, 30305, 40397, 41591, 42427, 63481, 76615, 109649, 132335, 201985, 207955, 212135, 291137, 317405, 444367, 548245, 767543, 1206139, 1455685, 2221835, 3837715, 6030695, 8442973, 42214865]

約数ペア:

[(1, 42214865), (5, 8442973), (7, 6030695), (11, 3837715), (19, 2221835), (29, 1455685), (35, 1206139), (55, 767543), (77, 548245), (95, 444367), (133, 317405), (145, 291137), (199, 212135), (203, 207955), (209, 201985), (319, 132335), (385, 109649), (551, 76615), (665, 63481), (995, 42427), (1015, 41591), (1045, 40397), (1393, 30305), (1463, 28855), (1595, 26467), (2189, 19285), (2233, 18905), (2755, 15323), (3781, 11165), (3857, 10945), (5771, 7315), (6061, 6965)]