1219156925

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 1757982720

約数和(自身を除く): 538825795

約数列:

[1, 5, 7, 25, 35, 103, 175, 239, 283, 515, 721, 1195, 1415, 1673, 1981, 2575, 3605, 5975, 7075, 8365, 9905, 18025, 24617, 29149, 41825, 49525, 67637, 123085, 145745, 172319, 204043, 338185, 473459, 615425, 728725, 861595, 1020215, 1690925, 2367295, 4307975, 5101075, 6966611, 11836475, 34833055, 48766277, 174165275, 243831385, 1219156925]

約数ペア:

[(1, 1219156925), (5, 243831385), (7, 174165275), (25, 48766277), (35, 34833055), (103, 11836475), (175, 6966611), (239, 5101075), (283, 4307975), (515, 2367295), (721, 1690925), (1195, 1020215), (1415, 861595), (1673, 728725), (1981, 615425), (2575, 473459), (3605, 338185), (5975, 204043), (7075, 172319), (8365, 145745), (9905, 123085), (18025, 67637), (24617, 49525), (29149, 41825)]