28950040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103393}}^1$

素因数の和:103411

約数の個数: 32

約数和(自身を含む): 74443680

約数和(自身を除く): 45493640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103393, 206786, 413572, 516965, 723751, 827144, 1033930, 1447502, 2067860, 2895004, 3618755, 4135720, 5790008, 7237510, 14475020, 28950040]

約数ペア:

[(1, 28950040), (2, 14475020), (4, 7237510), (5, 5790008), (7, 4135720), (8, 3618755), (10, 2895004), (14, 2067860), (20, 1447502), (28, 1033930), (35, 827144), (40, 723751), (56, 516965), (70, 413572), (140, 206786), (280, 103393)]