19993400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14281}}^1$

素因数の和:14304

約数の個数: 48

約数和(自身を含む): 53129040

約数和(自身を除く): 33135640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14281, 28562, 57124, 71405, 99967, 114248, 142810, 199934, 285620, 357025, 399868, 499835, 571240, 714050, 799736, 999670, 1428100, 1999340, 2499175, 2856200, 3998680, 4998350, 9996700, 19993400]

約数ペア:

[(1, 19993400), (2, 9996700), (4, 4998350), (5, 3998680), (7, 2856200), (8, 2499175), (10, 1999340), (14, 1428100), (20, 999670), (25, 799736), (28, 714050), (35, 571240), (40, 499835), (50, 399868), (56, 357025), (70, 285620), (100, 199934), (140, 142810), (175, 114248), (200, 99967), (280, 71405), (350, 57124), (700, 28562), (1400, 14281)]