201779060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2125

約数の個数: 72

約数和(自身を含む): 497952000

約数和(自身を除く): 296172940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1999, 2060, 2884, 3605, 3998, 5047, 7210, 7996, 9995, 10094, 13993, 14420, 19990, 20188, 25235, 27986, 39980, 50470, 55972, 69965, 97951, 100940, 139930, 195902, 205897, 279860, 391804, 411794, 489755, 823588, 979510, 1029485, 1441279, 1959020, 2058970, 2882558, 4117940, 5765116, 7206395, 10088953, 14412790, 20177906, 28825580, 40355812, 50444765, 100889530, 201779060]

約数ペア:

[(1, 201779060), (2, 100889530), (4, 50444765), (5, 40355812), (7, 28825580), (10, 20177906), (14, 14412790), (20, 10088953), (28, 7206395), (35, 5765116), (49, 4117940), (70, 2882558), (98, 2058970), (103, 1959020), (140, 1441279), (196, 1029485), (206, 979510), (245, 823588), (412, 489755), (490, 411794), (515, 391804), (721, 279860), (980, 205897), (1030, 195902), (1442, 139930), (1999, 100940), (2060, 97951), (2884, 69965), (3605, 55972), (3998, 50470), (5047, 39980), (7210, 27986), (7996, 25235), (9995, 20188), (10094, 19990), (13993, 14420)]