7900700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 17946768

約数和(自身を除く): 10046068

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 94, 100, 164, 188, 205, 235, 410, 470, 820, 940, 1025, 1175, 1681, 1927, 2050, 2350, 3362, 3854, 4100, 4700, 6724, 7708, 8405, 9635, 16810, 19270, 33620, 38540, 42025, 48175, 79007, 84050, 96350, 158014, 168100, 192700, 316028, 395035, 790070, 1580140, 1975175, 3950350, 7900700]

約数ペア:

[(1, 7900700), (2, 3950350), (4, 1975175), (5, 1580140), (10, 790070), (20, 395035), (25, 316028), (41, 192700), (47, 168100), (50, 158014), (82, 96350), (94, 84050), (100, 79007), (164, 48175), (188, 42025), (205, 38540), (235, 33620), (410, 19270), (470, 16810), (820, 9635), (940, 8405), (1025, 7708), (1175, 6724), (1681, 4700), (1927, 4100), (2050, 3854), (2350, 3362)]