90420790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2207}}^1$

素因数の和:2472

約数の個数: 32

約数和(自身を含む): 173124864

約数和(自身を除く): 82704074

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 1205, 2207, 2410, 4097, 4414, 8194, 11035, 20485, 22070, 37519, 40970, 75038, 187595, 375190, 531887, 1063774, 2659435, 5318870, 9042079, 18084158, 45210395, 90420790]

約数ペア:

[(1, 90420790), (2, 45210395), (5, 18084158), (10, 9042079), (17, 5318870), (34, 2659435), (85, 1063774), (170, 531887), (241, 375190), (482, 187595), (1205, 75038), (2207, 40970), (2410, 37519), (4097, 22070), (4414, 20485), (8194, 11035)]