30390040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5099}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 68850000

約数和(自身を除く): 38459960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5099, 5960, 10198, 20396, 25495, 40792, 50990, 101980, 203960, 759751, 1519502, 3039004, 3798755, 6078008, 7597510, 15195020, 30390040]

約数ペア:

[(1, 30390040), (2, 15195020), (4, 7597510), (5, 6078008), (8, 3798755), (10, 3039004), (20, 1519502), (40, 759751), (149, 203960), (298, 101980), (596, 50990), (745, 40792), (1192, 25495), (1490, 20396), (2980, 10198), (5099, 5960)]