1964900

素因数分解:

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

素因数の和:429

約数の個数: 54

約数和(自身を含む): 4972338

約数和(自身を除く): 3007438

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 401, 490, 700, 802, 980, 1225, 1604, 2005, 2450, 2807, 4010, 4900, 5614, 8020, 10025, 11228, 14035, 19649, 20050, 28070, 39298, 40100, 56140, 70175, 78596, 98245, 140350, 196490, 280700, 392980, 491225, 982450, 1964900]

約数ペア:

[(1, 1964900), (2, 982450), (4, 491225), (5, 392980), (7, 280700), (10, 196490), (14, 140350), (20, 98245), (25, 78596), (28, 70175), (35, 56140), (49, 40100), (50, 39298), (70, 28070), (98, 20050), (100, 19649), (140, 14035), (175, 11228), (196, 10025), (245, 8020), (350, 5614), (401, 4900), (490, 4010), (700, 2807), (802, 2450), (980, 2005), (1225, 1604)]