144594020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 311284848

約数和(自身を除く): 166690828

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 730, 970, 1021, 1460, 1940, 2042, 4084, 5105, 7081, 10210, 14162, 20420, 28324, 35405, 70810, 74533, 99037, 141620, 149066, 198074, 298132, 372665, 396148, 495185, 745330, 990370, 1490660, 1980740, 7229701, 14459402, 28918804, 36148505, 72297010, 144594020]

約数ペア:

[(1, 144594020), (2, 72297010), (4, 36148505), (5, 28918804), (10, 14459402), (20, 7229701), (73, 1980740), (97, 1490660), (146, 990370), (194, 745330), (292, 495185), (365, 396148), (388, 372665), (485, 298132), (730, 198074), (970, 149066), (1021, 141620), (1460, 99037), (1940, 74533), (2042, 70810), (4084, 35405), (5105, 28324), (7081, 20420), (10210, 14162)]