85307320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 220608000

約数和(自身を除く): 135300680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1531, 1592, 1990, 2786, 3062, 3980, 5572, 6124, 6965, 7655, 7960, 10717, 11144, 12248, 13930, 15310, 21434, 27860, 30620, 42868, 53585, 55720, 61240, 85736, 107170, 214340, 304669, 428680, 609338, 1218676, 1523345, 2132683, 2437352, 3046690, 4265366, 6093380, 8530732, 10663415, 12186760, 17061464, 21326830, 42653660, 85307320]

約数ペア:

[(1, 85307320), (2, 42653660), (4, 21326830), (5, 17061464), (7, 12186760), (8, 10663415), (10, 8530732), (14, 6093380), (20, 4265366), (28, 3046690), (35, 2437352), (40, 2132683), (56, 1523345), (70, 1218676), (140, 609338), (199, 428680), (280, 304669), (398, 214340), (796, 107170), (995, 85736), (1393, 61240), (1531, 55720), (1592, 53585), (1990, 42868), (2786, 30620), (3062, 27860), (3980, 21434), (5572, 15310), (6124, 13930), (6965, 12248), (7655, 11144), (7960, 10717)]