2011685720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{68239}}^1$

素因数の和:68328

約数の個数: 64

約数和(自身を含む): 5011545600

約数和(自身を除く): 2999859880

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, 68239, 136478, 272956, 341195, 545912, 682390, 750629, 1364780, 1501258, 2729560, 3002516, 3753145, 4572013, 6005032, 7506290, 9144026, 15012580, 18288052, 22860065, 30025160, 36576104, 45720130, 50292143, 91440260, 100584286, 182880520, 201168572, 251460715, 402337144, 502921430, 1005842860, 2011685720]

約数ペア:

[(1, 2011685720), (2, 1005842860), (4, 502921430), (5, 402337144), (8, 251460715), (10, 201168572), (11, 182880520), (20, 100584286), (22, 91440260), (40, 50292143), (44, 45720130), (55, 36576104), (67, 30025160), (88, 22860065), (110, 18288052), (134, 15012580), (220, 9144026), (268, 7506290), (335, 6005032), (440, 4572013), (536, 3753145), (670, 3002516), (737, 2729560), (1340, 1501258), (1474, 1364780), (2680, 750629), (2948, 682390), (3685, 545912), (5896, 341195), (7370, 272956), (14740, 136478), (29480, 68239)]