3025000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^2$

素因数の和:53

約数の個数: 72

約数和(自身を含む): 7792470

約数和(自身を除く): 4767470

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 125, 200, 220, 242, 250, 275, 440, 484, 500, 550, 605, 625, 968, 1000, 1100, 1210, 1250, 1375, 2200, 2420, 2500, 2750, 3025, 3125, 4840, 5000, 5500, 6050, 6250, 6875, 11000, 12100, 12500, 13750, 15125, 24200, 25000, 27500, 30250, 34375, 55000, 60500, 68750, 75625, 121000, 137500, 151250, 275000, 302500, 378125, 605000, 756250, 1512500, 3025000]

約数ペア:

[(1, 3025000), (2, 1512500), (4, 756250), (5, 605000), (8, 378125), (10, 302500), (11, 275000), (20, 151250), (22, 137500), (25, 121000), (40, 75625), (44, 68750), (50, 60500), (55, 55000), (88, 34375), (100, 30250), (110, 27500), (121, 25000), (125, 24200), (200, 15125), (220, 13750), (242, 12500), (250, 12100), (275, 11000), (440, 6875), (484, 6250), (500, 6050), (550, 5500), (605, 5000), (625, 4840), (968, 3125), (1000, 3025), (1100, 2750), (1210, 2500), (1250, 2420), (1375, 2200)]