71956220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2609}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 173638080

約数和(自身を除く): 101681860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2609, 2758, 3940, 5218, 5516, 6895, 10436, 13045, 13790, 18263, 26090, 27580, 36526, 52180, 73052, 91315, 182630, 365260, 513973, 1027946, 2055892, 2569865, 3597811, 5139730, 7195622, 10279460, 14391244, 17989055, 35978110, 71956220]

約数ペア:

[(1, 71956220), (2, 35978110), (4, 17989055), (5, 14391244), (7, 10279460), (10, 7195622), (14, 5139730), (20, 3597811), (28, 2569865), (35, 2055892), (70, 1027946), (140, 513973), (197, 365260), (394, 182630), (788, 91315), (985, 73052), (1379, 52180), (1970, 36526), (2609, 27580), (2758, 26090), (3940, 18263), (5218, 13790), (5516, 13045), (6895, 10436)]