2113994620

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1\times {\mathrm{2131}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 4481856288

約数和(自身を除く): 2367861668

約数列:

[1, 2, 4, 5, 10, 20, 193, 257, 386, 514, 772, 965, 1028, 1285, 1930, 2131, 2570, 3860, 4262, 5140, 8524, 10655, 21310, 42620, 49601, 99202, 198404, 248005, 411283, 496010, 547667, 822566, 992020, 1095334, 1645132, 2056415, 2190668, 2738335, 4112830, 5476670, 8225660, 10953340, 105699731, 211399462, 422798924, 528498655, 1056997310, 2113994620]

約数ペア:

[(1, 2113994620), (2, 1056997310), (4, 528498655), (5, 422798924), (10, 211399462), (20, 105699731), (193, 10953340), (257, 8225660), (386, 5476670), (514, 4112830), (772, 2738335), (965, 2190668), (1028, 2056415), (1285, 1645132), (1930, 1095334), (2131, 992020), (2570, 822566), (3860, 547667), (4262, 496010), (5140, 411283), (8524, 248005), (10655, 198404), (21310, 99202), (42620, 49601)]