39905180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1913}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 96465600

約数和(自身を除く): 56560420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1913, 2086, 2980, 3826, 4172, 5215, 7652, 9565, 10430, 13391, 19130, 20860, 26782, 38260, 53564, 66955, 133910, 267820, 285037, 570074, 1140148, 1425185, 1995259, 2850370, 3990518, 5700740, 7981036, 9976295, 19952590, 39905180]

約数ペア:

[(1, 39905180), (2, 19952590), (4, 9976295), (5, 7981036), (7, 5700740), (10, 3990518), (14, 2850370), (20, 1995259), (28, 1425185), (35, 1140148), (70, 570074), (140, 285037), (149, 267820), (298, 133910), (596, 66955), (745, 53564), (1043, 38260), (1490, 26782), (1913, 20860), (2086, 19130), (2980, 13391), (3826, 10430), (4172, 9565), (5215, 7652)]