4445980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2914

約数の個数: 48

約数和(自身を含む): 11644416

約数和(自身を除く): 7198436

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, 2887, 5774, 11548, 14435, 20209, 28870, 31757, 40418, 57740, 63514, 80836, 101045, 127028, 158785, 202090, 222299, 317570, 404180, 444598, 635140, 889196, 1111495, 2222990, 4445980]

約数ペア:

[(1, 4445980), (2, 2222990), (4, 1111495), (5, 889196), (7, 635140), (10, 444598), (11, 404180), (14, 317570), (20, 222299), (22, 202090), (28, 158785), (35, 127028), (44, 101045), (55, 80836), (70, 63514), (77, 57740), (110, 40418), (140, 31757), (154, 28870), (220, 20209), (308, 14435), (385, 11548), (770, 5774), (1540, 2887)]