499520020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{2099}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 1070395200

約数和(自身を除く): 570875180

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 652, 730, 815, 1460, 1630, 2099, 3260, 4198, 8396, 10495, 11899, 20990, 23798, 41980, 47596, 59495, 118990, 153227, 237980, 306454, 342137, 612908, 684274, 766135, 1368548, 1532270, 1710685, 3064540, 3421370, 6842740, 24976001, 49952002, 99904004, 124880005, 249760010, 499520020]

約数ペア:

[(1, 499520020), (2, 249760010), (4, 124880005), (5, 99904004), (10, 49952002), (20, 24976001), (73, 6842740), (146, 3421370), (163, 3064540), (292, 1710685), (326, 1532270), (365, 1368548), (652, 766135), (730, 684274), (815, 612908), (1460, 342137), (1630, 306454), (2099, 237980), (3260, 153227), (4198, 118990), (8396, 59495), (10495, 47596), (11899, 41980), (20990, 23798)]