3929800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 10655010

約数和(自身を除く): 6725210

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 401, 490, 700, 802, 980, 1225, 1400, 1604, 1960, 2005, 2450, 2807, 3208, 4010, 4900, 5614, 8020, 9800, 10025, 11228, 14035, 16040, 19649, 20050, 22456, 28070, 39298, 40100, 56140, 70175, 78596, 80200, 98245, 112280, 140350, 157192, 196490, 280700, 392980, 491225, 561400, 785960, 982450, 1964900, 3929800]

約数ペア:

[(1, 3929800), (2, 1964900), (4, 982450), (5, 785960), (7, 561400), (8, 491225), (10, 392980), (14, 280700), (20, 196490), (25, 157192), (28, 140350), (35, 112280), (40, 98245), (49, 80200), (50, 78596), (56, 70175), (70, 56140), (98, 40100), (100, 39298), (140, 28070), (175, 22456), (196, 20050), (200, 19649), (245, 16040), (280, 14035), (350, 11228), (392, 10025), (401, 9800), (490, 8020), (700, 5614), (802, 4900), (980, 4010), (1225, 3208), (1400, 2807), (1604, 2450), (1960, 2005)]