2018878840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{68483}}^1$

素因数の和:68572

約数の個数: 64

約数和(自身を含む): 5029464960

約数和(自身を除く): 3010586120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 14740, 29480, 68483, 136966, 273932, 342415, 547864, 684830, 753313, 1369660, 1506626, 2739320, 3013252, 3766565, 4588361, 6026504, 7533130, 9176722, 15066260, 18353444, 22941805, 30132520, 36706888, 45883610, 50471971, 91767220, 100943942, 183534440, 201887884, 252359855, 403775768, 504719710, 1009439420, 2018878840]

約数ペア:

[(1, 2018878840), (2, 1009439420), (4, 504719710), (5, 403775768), (8, 252359855), (10, 201887884), (11, 183534440), (20, 100943942), (22, 91767220), (40, 50471971), (44, 45883610), (55, 36706888), (67, 30132520), (88, 22941805), (110, 18353444), (134, 15066260), (220, 9176722), (268, 7533130), (335, 6026504), (440, 4588361), (536, 3766565), (670, 3013252), (737, 2739320), (1340, 1506626), (1474, 1369660), (2680, 753313), (2948, 684830), (3685, 547864), (5896, 342415), (7370, 273932), (14740, 136966), (29480, 68483)]