121000000

素因数分解:

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

素因数の和:64

約数の個数: 147

約数和(自身を含む): 329898121

約数和(自身を除く): 208898121

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 125, 160, 176, 200, 220, 242, 250, 275, 320, 352, 400, 440, 484, 500, 550, 605, 625, 704, 800, 880, 968, 1000, 1100, 1210, 1250, 1375, 1600, 1760, 1936, 2000, 2200, 2420, 2500, 2750, 3025, 3125, 3520, 3872, 4000, 4400, 4840, 5000, 5500, 6050, 6250, 6875, 7744, 8000, 8800, 9680, 10000, 11000, 12100, 12500, 13750, 15125, 15625, 17600, 19360, 20000, 22000, 24200, 25000, 27500, 30250, 31250, 34375, 38720, 40000, 44000, 48400, 50000, 55000, 60500, 62500, 68750, 75625, 88000, 96800, 100000, 110000, 121000, 125000, 137500, 151250, 171875, 193600, 200000, 220000, 242000, 250000, 275000, 302500, 343750, 378125, 440000, 484000, 500000, 550000, 605000, 687500, 756250, 968000, 1000000, 1100000, 1210000, 1375000, 1512500, 1890625, 2200000, 2420000, 2750000, 3025000, 3781250, 4840000, 5500000, 6050000, 7562500, 11000000, 12100000, 15125000, 24200000, 30250000, 60500000, 121000000]

約数ペア:

[(1, 121000000), (2, 60500000), (4, 30250000), (5, 24200000), (8, 15125000), (10, 12100000), (11, 11000000), (16, 7562500), (20, 6050000), (22, 5500000), (25, 4840000), (32, 3781250), (40, 3025000), (44, 2750000), (50, 2420000), (55, 2200000), (64, 1890625), (80, 1512500), (88, 1375000), (100, 1210000), (110, 1100000), (121, 1000000), (125, 968000), (160, 756250), (176, 687500), (200, 605000), (220, 550000), (242, 500000), (250, 484000), (275, 440000), (320, 378125), (352, 343750), (400, 302500), (440, 275000), (484, 250000), (500, 242000), (550, 220000), (605, 200000), (625, 193600), (704, 171875), (800, 151250), (880, 137500), (968, 125000), (1000, 121000), (1100, 110000), (1210, 100000), (1250, 96800), (1375, 88000), (1600, 75625), (1760, 68750), (1936, 62500), (2000, 60500), (2200, 55000), (2420, 50000), (2500, 48400), (2750, 44000), (3025, 40000), (3125, 38720), (3520, 34375), (3872, 31250), (4000, 30250), (4400, 27500), (4840, 25000), (5000, 24200), (5500, 22000), (6050, 20000), (6250, 19360), (6875, 17600), (7744, 15625), (8000, 15125), (8800, 13750), (9680, 12500), (10000, 12100)]