4390540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 11499264

約数和(自身を除く): 7108724

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, 1540, 2851, 5702, 11404, 14255, 19957, 28510, 31361, 39914, 57020, 62722, 79828, 99785, 125444, 156805, 199570, 219527, 313610, 399140, 439054, 627220, 878108, 1097635, 2195270, 4390540]

約数ペア:

[(1, 4390540), (2, 2195270), (4, 1097635), (5, 878108), (7, 627220), (10, 439054), (11, 399140), (14, 313610), (20, 219527), (22, 199570), (28, 156805), (35, 125444), (44, 99785), (55, 79828), (70, 62722), (77, 57020), (110, 39914), (140, 31361), (154, 28510), (220, 19957), (308, 14255), (385, 11404), (770, 5702), (1540, 2851)]