30250000

素因数分解:

$2^4\times 5^6\times {\mathrm{11}}^2$

素因数の和:60

約数の個数: 105

約数和(自身を含む): 80526313

約数和(自身を除く): 50276313

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 125, 176, 200, 220, 242, 250, 275, 400, 440, 484, 500, 550, 605, 625, 880, 968, 1000, 1100, 1210, 1250, 1375, 1936, 2000, 2200, 2420, 2500, 2750, 3025, 3125, 4400, 4840, 5000, 5500, 6050, 6250, 6875, 9680, 10000, 11000, 12100, 12500, 13750, 15125, 15625, 22000, 24200, 25000, 27500, 30250, 31250, 34375, 48400, 50000, 55000, 60500, 62500, 68750, 75625, 110000, 121000, 125000, 137500, 151250, 171875, 242000, 250000, 275000, 302500, 343750, 378125, 550000, 605000, 687500, 756250, 1210000, 1375000, 1512500, 1890625, 2750000, 3025000, 3781250, 6050000, 7562500, 15125000, 30250000]

約数ペア:

[(1, 30250000), (2, 15125000), (4, 7562500), (5, 6050000), (8, 3781250), (10, 3025000), (11, 2750000), (16, 1890625), (20, 1512500), (22, 1375000), (25, 1210000), (40, 756250), (44, 687500), (50, 605000), (55, 550000), (80, 378125), (88, 343750), (100, 302500), (110, 275000), (121, 250000), (125, 242000), (176, 171875), (200, 151250), (220, 137500), (242, 125000), (250, 121000), (275, 110000), (400, 75625), (440, 68750), (484, 62500), (500, 60500), (550, 55000), (605, 50000), (625, 48400), (880, 34375), (968, 31250), (1000, 30250), (1100, 27500), (1210, 25000), (1250, 24200), (1375, 22000), (1936, 15625), (2000, 15125), (2200, 13750), (2420, 12500), (2500, 12100), (2750, 11000), (3025, 10000), (3125, 9680), (4400, 6875), (4840, 6250), (5000, 6050)]