2004505720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{193}}^1\times {\mathrm{757}}^1$

素因数の和:982

約数の個数: 128

約数和(自身を含む): 5293872000

約数和(自身を除く): 3289366280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 193, 196, 245, 280, 343, 386, 392, 490, 686, 757, 772, 965, 980, 1351, 1372, 1514, 1544, 1715, 1930, 1960, 2702, 2744, 3028, 3430, 3785, 3860, 5299, 5404, 6056, 6755, 6860, 7570, 7720, 9457, 10598, 10808, 13510, 13720, 15140, 18914, 21196, 26495, 27020, 30280, 37093, 37828, 42392, 47285, 52990, 54040, 66199, 74186, 75656, 94570, 105980, 132398, 146101, 148372, 185465, 189140, 211960, 259651, 264796, 292202, 296744, 330995, 370930, 378280, 519302, 529592, 584404, 661990, 730505, 741860, 1022707, 1038604, 1168808, 1298255, 1323980, 1461010, 1483720, 2045414, 2077208, 2596510, 2647960, 2922020, 4090828, 5113535, 5193020, 5844040, 7158949, 8181656, 10227070, 10386040, 14317898, 20454140, 28635796, 35794745, 40908280, 50112643, 57271592, 71589490, 100225286, 143178980, 200450572, 250563215, 286357960, 400901144, 501126430, 1002252860, 2004505720]

約数ペア:

[(1, 2004505720), (2, 1002252860), (4, 501126430), (5, 400901144), (7, 286357960), (8, 250563215), (10, 200450572), (14, 143178980), (20, 100225286), (28, 71589490), (35, 57271592), (40, 50112643), (49, 40908280), (56, 35794745), (70, 28635796), (98, 20454140), (140, 14317898), (193, 10386040), (196, 10227070), (245, 8181656), (280, 7158949), (343, 5844040), (386, 5193020), (392, 5113535), (490, 4090828), (686, 2922020), (757, 2647960), (772, 2596510), (965, 2077208), (980, 2045414), (1351, 1483720), (1372, 1461010), (1514, 1323980), (1544, 1298255), (1715, 1168808), (1930, 1038604), (1960, 1022707), (2702, 741860), (2744, 730505), (3028, 661990), (3430, 584404), (3785, 529592), (3860, 519302), (5299, 378280), (5404, 370930), (6056, 330995), (6755, 296744), (6860, 292202), (7570, 264796), (7720, 259651), (9457, 211960), (10598, 189140), (10808, 185465), (13510, 148372), (13720, 146101), (15140, 132398), (18914, 105980), (21196, 94570), (26495, 75656), (27020, 74186), (30280, 66199), (37093, 54040), (37828, 52990), (42392, 47285)]