3948500

素因数分解:

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

素因数の和:221

約数の個数: 48

約数和(自身を含む): 8845200

約数和(自身を除く): 4896700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 149, 212, 250, 265, 298, 500, 530, 596, 745, 1060, 1325, 1490, 2650, 2980, 3725, 5300, 6625, 7450, 7897, 13250, 14900, 15794, 18625, 26500, 31588, 37250, 39485, 74500, 78970, 157940, 197425, 394850, 789700, 987125, 1974250, 3948500]

約数ペア:

[(1, 3948500), (2, 1974250), (4, 987125), (5, 789700), (10, 394850), (20, 197425), (25, 157940), (50, 78970), (53, 74500), (100, 39485), (106, 37250), (125, 31588), (149, 26500), (212, 18625), (250, 15794), (265, 14900), (298, 13250), (500, 7897), (530, 7450), (596, 6625), (745, 5300), (1060, 3725), (1325, 2980), (1490, 2650)]