7897000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 18954000

約数和(自身を除く): 11057000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 149, 200, 212, 250, 265, 298, 424, 500, 530, 596, 745, 1000, 1060, 1192, 1325, 1490, 2120, 2650, 2980, 3725, 5300, 5960, 6625, 7450, 7897, 10600, 13250, 14900, 15794, 18625, 26500, 29800, 31588, 37250, 39485, 53000, 63176, 74500, 78970, 149000, 157940, 197425, 315880, 394850, 789700, 987125, 1579400, 1974250, 3948500, 7897000]

約数ペア:

[(1, 7897000), (2, 3948500), (4, 1974250), (5, 1579400), (8, 987125), (10, 789700), (20, 394850), (25, 315880), (40, 197425), (50, 157940), (53, 149000), (100, 78970), (106, 74500), (125, 63176), (149, 53000), (200, 39485), (212, 37250), (250, 31588), (265, 29800), (298, 26500), (424, 18625), (500, 15794), (530, 14900), (596, 13250), (745, 10600), (1000, 7897), (1060, 7450), (1192, 6625), (1325, 5960), (1490, 5300), (2120, 3725), (2650, 2980)]