85910000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 150

約数和(自身を含む): 231844536

約数和(自身を除く): 145934536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 100, 110, 121, 125, 142, 176, 200, 220, 242, 250, 275, 284, 355, 400, 440, 484, 500, 550, 568, 605, 625, 710, 781, 880, 968, 1000, 1100, 1136, 1210, 1250, 1375, 1420, 1562, 1775, 1936, 2000, 2200, 2420, 2500, 2750, 2840, 3025, 3124, 3550, 3905, 4400, 4840, 5000, 5500, 5680, 6050, 6248, 6875, 7100, 7810, 8591, 8875, 9680, 10000, 11000, 12100, 12496, 13750, 14200, 15125, 15620, 17182, 17750, 19525, 22000, 24200, 27500, 28400, 30250, 31240, 34364, 35500, 39050, 42955, 44375, 48400, 55000, 60500, 62480, 68728, 71000, 75625, 78100, 85910, 88750, 97625, 110000, 121000, 137456, 142000, 151250, 156200, 171820, 177500, 195250, 214775, 242000, 302500, 312400, 343640, 355000, 390500, 429550, 488125, 605000, 687280, 710000, 781000, 859100, 976250, 1073875, 1210000, 1562000, 1718200, 1952500, 2147750, 3436400, 3905000, 4295500, 5369375, 7810000, 8591000, 10738750, 17182000, 21477500, 42955000, 85910000]

約数ペア:

[(1, 85910000), (2, 42955000), (4, 21477500), (5, 17182000), (8, 10738750), (10, 8591000), (11, 7810000), (16, 5369375), (20, 4295500), (22, 3905000), (25, 3436400), (40, 2147750), (44, 1952500), (50, 1718200), (55, 1562000), (71, 1210000), (80, 1073875), (88, 976250), (100, 859100), (110, 781000), (121, 710000), (125, 687280), (142, 605000), (176, 488125), (200, 429550), (220, 390500), (242, 355000), (250, 343640), (275, 312400), (284, 302500), (355, 242000), (400, 214775), (440, 195250), (484, 177500), (500, 171820), (550, 156200), (568, 151250), (605, 142000), (625, 137456), (710, 121000), (781, 110000), (880, 97625), (968, 88750), (1000, 85910), (1100, 78100), (1136, 75625), (1210, 71000), (1250, 68728), (1375, 62480), (1420, 60500), (1562, 55000), (1775, 48400), (1936, 44375), (2000, 42955), (2200, 39050), (2420, 35500), (2500, 34364), (2750, 31240), (2840, 30250), (3025, 28400), (3124, 27500), (3550, 24200), (3905, 22000), (4400, 19525), (4840, 17750), (5000, 17182), (5500, 15620), (5680, 15125), (6050, 14200), (6248, 13750), (6875, 12496), (7100, 12100), (7810, 11000), (8591, 10000), (8875, 9680)]