2809000

素因数分解:

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

素因数の和:127

約数の個数: 48

約数和(自身を含む): 6699420

約数和(自身を除く): 3890420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 1000, 1060, 1325, 2120, 2650, 2809, 5300, 5618, 6625, 10600, 11236, 13250, 14045, 22472, 26500, 28090, 53000, 56180, 70225, 112360, 140450, 280900, 351125, 561800, 702250, 1404500, 2809000]

約数ペア:

[(1, 2809000), (2, 1404500), (4, 702250), (5, 561800), (8, 351125), (10, 280900), (20, 140450), (25, 112360), (40, 70225), (50, 56180), (53, 53000), (100, 28090), (106, 26500), (125, 22472), (200, 14045), (212, 13250), (250, 11236), (265, 10600), (424, 6625), (500, 5618), (530, 5300), (1000, 2809), (1060, 2650), (1325, 2120)]