2019355940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{306893}}^1$

素因数の和:306956

約数の個数: 48

約数和(自身を含む): 4949586432

約数和(自身を除く): 2930230492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 306893, 613786, 1227572, 1534465, 2148251, 3068930, 4296502, 6137860, 8593004, 10741255, 14423971, 21482510, 28847942, 42965020, 57695884, 72119855, 100967797, 144239710, 201935594, 288479420, 403871188, 504838985, 1009677970, 2019355940]

約数ペア:

[(1, 2019355940), (2, 1009677970), (4, 504838985), (5, 403871188), (7, 288479420), (10, 201935594), (14, 144239710), (20, 100967797), (28, 72119855), (35, 57695884), (47, 42965020), (70, 28847942), (94, 21482510), (140, 14423971), (188, 10741255), (235, 8593004), (329, 6137860), (470, 4296502), (658, 3068930), (940, 2148251), (1316, 1534465), (1645, 1227572), (3290, 613786), (6580, 306893)]