843284740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1\times {\mathrm{1021}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 1804353264

約数和(自身を除く): 961068524

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 677, 1021, 1220, 1354, 2042, 2708, 3385, 4084, 5105, 6770, 10210, 13540, 20420, 41297, 62281, 82594, 124562, 165188, 206485, 249124, 311405, 412970, 622810, 691217, 825940, 1245620, 1382434, 2764868, 3456085, 6912170, 13824340, 42164237, 84328474, 168656948, 210821185, 421642370, 843284740]

約数ペア:

[(1, 843284740), (2, 421642370), (4, 210821185), (5, 168656948), (10, 84328474), (20, 42164237), (61, 13824340), (122, 6912170), (244, 3456085), (305, 2764868), (610, 1382434), (677, 1245620), (1021, 825940), (1220, 691217), (1354, 622810), (2042, 412970), (2708, 311405), (3385, 249124), (4084, 206485), (5105, 165188), (6770, 124562), (10210, 82594), (13540, 62281), (20420, 41297)]