139186040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{497093}}^1$

素因数の和:497111

約数の個数: 32

約数和(自身を含む): 357907680

約数和(自身を除く): 218721640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 497093, 994186, 1988372, 2485465, 3479651, 3976744, 4970930, 6959302, 9941860, 13918604, 17398255, 19883720, 27837208, 34796510, 69593020, 139186040]

約数ペア:

[(1, 139186040), (2, 69593020), (4, 34796510), (5, 27837208), (7, 19883720), (8, 17398255), (10, 13918604), (14, 9941860), (20, 6959302), (28, 4970930), (35, 3976744), (40, 3479651), (56, 2485465), (70, 1988372), (140, 994186), (280, 497093)]