42955000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 112182840

約数和(自身を除く): 69227840

約数列:

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

約数ペア:

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