2020760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 5294160

約数和(自身を除く): 3273400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1031, 1960, 2062, 4124, 5155, 7217, 8248, 10310, 14434, 20620, 28868, 36085, 41240, 50519, 57736, 72170, 101038, 144340, 202076, 252595, 288680, 404152, 505190, 1010380, 2020760]

約数ペア:

[(1, 2020760), (2, 1010380), (4, 505190), (5, 404152), (7, 288680), (8, 252595), (10, 202076), (14, 144340), (20, 101038), (28, 72170), (35, 57736), (40, 50519), (49, 41240), (56, 36085), (70, 28868), (98, 20620), (140, 14434), (196, 10310), (245, 8248), (280, 7217), (392, 5155), (490, 4124), (980, 2062), (1031, 1960)]