2021159800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1862

約数の個数: 144

約数和(自身を含む): 5278099680

約数和(自身を除く): 3256939880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 100, 110, 121, 188, 200, 220, 235, 242, 275, 376, 440, 470, 484, 517, 550, 605, 940, 968, 1034, 1100, 1175, 1210, 1777, 1880, 2068, 2200, 2350, 2420, 2585, 3025, 3554, 4136, 4700, 4840, 5170, 5687, 6050, 7108, 8885, 9400, 10340, 11374, 12100, 12925, 14216, 17770, 19547, 20680, 22748, 24200, 25850, 28435, 35540, 39094, 44425, 45496, 51700, 56870, 71080, 78188, 83519, 88850, 97735, 103400, 113740, 142175, 156376, 167038, 177700, 195470, 215017, 227480, 284350, 334076, 355400, 390940, 417595, 430034, 488675, 568700, 668152, 781880, 835190, 860068, 918709, 977350, 1075085, 1137400, 1670380, 1720136, 1837418, 1954700, 2087975, 2150170, 3340760, 3674836, 3909400, 4175950, 4300340, 4593545, 5375425, 7349672, 8351900, 8600680, 9187090, 10105799, 10750850, 16703800, 18374180, 20211598, 21501700, 22967725, 36748360, 40423196, 43003400, 45935450, 50528995, 80846392, 91870900, 101057990, 183741800, 202115980, 252644975, 404231960, 505289950, 1010579900, 2021159800]

約数ペア:

[(1, 2021159800), (2, 1010579900), (4, 505289950), (5, 404231960), (8, 252644975), (10, 202115980), (11, 183741800), (20, 101057990), (22, 91870900), (25, 80846392), (40, 50528995), (44, 45935450), (47, 43003400), (50, 40423196), (55, 36748360), (88, 22967725), (94, 21501700), (100, 20211598), (110, 18374180), (121, 16703800), (188, 10750850), (200, 10105799), (220, 9187090), (235, 8600680), (242, 8351900), (275, 7349672), (376, 5375425), (440, 4593545), (470, 4300340), (484, 4175950), (517, 3909400), (550, 3674836), (605, 3340760), (940, 2150170), (968, 2087975), (1034, 1954700), (1100, 1837418), (1175, 1720136), (1210, 1670380), (1777, 1137400), (1880, 1075085), (2068, 977350), (2200, 918709), (2350, 860068), (2420, 835190), (2585, 781880), (3025, 668152), (3554, 568700), (4136, 488675), (4700, 430034), (4840, 417595), (5170, 390940), (5687, 355400), (6050, 334076), (7108, 284350), (8885, 227480), (9400, 215017), (10340, 195470), (11374, 177700), (12100, 167038), (12925, 156376), (14216, 142175), (17770, 113740), (19547, 103400), (20680, 97735), (22748, 88850), (24200, 83519), (25850, 78188), (28435, 71080), (35540, 56870), (39094, 51700), (44425, 45496)]