1969660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 5160960

約数和(自身を除く): 3191300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1279, 1540, 2558, 5116, 6395, 8953, 12790, 14069, 17906, 25580, 28138, 35812, 44765, 56276, 70345, 89530, 98483, 140690, 179060, 196966, 281380, 393932, 492415, 984830, 1969660]

約数ペア:

[(1, 1969660), (2, 984830), (4, 492415), (5, 393932), (7, 281380), (10, 196966), (11, 179060), (14, 140690), (20, 98483), (22, 89530), (28, 70345), (35, 56276), (44, 44765), (55, 35812), (70, 28138), (77, 25580), (110, 17906), (140, 14069), (154, 12790), (220, 8953), (308, 6395), (385, 5116), (770, 2558), (1279, 1540)]