68425420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10399}}^1$

素因数の和:10462

約数の個数: 48

約数和(自身を含む): 167731200

約数和(自身を除く): 99305780

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, 10399, 20798, 41596, 51995, 72793, 103990, 145586, 207980, 291172, 363965, 488753, 727930, 977506, 1455860, 1955012, 2443765, 3421271, 4887530, 6842542, 9775060, 13685084, 17106355, 34212710, 68425420]

約数ペア:

[(1, 68425420), (2, 34212710), (4, 17106355), (5, 13685084), (7, 9775060), (10, 6842542), (14, 4887530), (20, 3421271), (28, 2443765), (35, 1955012), (47, 1455860), (70, 977506), (94, 727930), (140, 488753), (188, 363965), (235, 291172), (329, 207980), (470, 145586), (658, 103990), (940, 72793), (1316, 51995), (1645, 41596), (3290, 20798), (6580, 10399)]