780200

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 1874880

約数和(自身を除く): 1094680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 83, 94, 100, 166, 188, 200, 235, 332, 376, 415, 470, 664, 830, 940, 1175, 1660, 1880, 2075, 2350, 3320, 3901, 4150, 4700, 7802, 8300, 9400, 15604, 16600, 19505, 31208, 39010, 78020, 97525, 156040, 195050, 390100, 780200]

約数ペア:

[(1, 780200), (2, 390100), (4, 195050), (5, 156040), (8, 97525), (10, 78020), (20, 39010), (25, 31208), (40, 19505), (47, 16600), (50, 15604), (83, 9400), (94, 8300), (100, 7802), (166, 4700), (188, 4150), (200, 3901), (235, 3320), (332, 2350), (376, 2075), (415, 1880), (470, 1660), (664, 1175), (830, 940)]