42653660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 102950400

約数和(自身を除く): 60296740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1531, 1990, 2786, 3062, 3980, 5572, 6124, 6965, 7655, 10717, 13930, 15310, 21434, 27860, 30620, 42868, 53585, 107170, 214340, 304669, 609338, 1218676, 1523345, 2132683, 3046690, 4265366, 6093380, 8530732, 10663415, 21326830, 42653660]

約数ペア:

[(1, 42653660), (2, 21326830), (4, 10663415), (5, 8530732), (7, 6093380), (10, 4265366), (14, 3046690), (20, 2132683), (28, 1523345), (35, 1218676), (70, 609338), (140, 304669), (199, 214340), (398, 107170), (796, 53585), (995, 42868), (1393, 30620), (1531, 27860), (1990, 21434), (2786, 15310), (3062, 13930), (3980, 10717), (5572, 7655), (6124, 6965)]