207839720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6653}}^1$

素因数の和:6746

約数の個数: 64

約数和(自身を含む): 517415040

約数和(自身を除く): 309575320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 6653, 7810, 13306, 15620, 26612, 31240, 33265, 53224, 66530, 73183, 133060, 146366, 266120, 292732, 365915, 472363, 585464, 731830, 944726, 1463660, 1889452, 2361815, 2927320, 3778904, 4723630, 5195993, 9447260, 10391986, 18894520, 20783972, 25979965, 41567944, 51959930, 103919860, 207839720]

約数ペア:

[(1, 207839720), (2, 103919860), (4, 51959930), (5, 41567944), (8, 25979965), (10, 20783972), (11, 18894520), (20, 10391986), (22, 9447260), (40, 5195993), (44, 4723630), (55, 3778904), (71, 2927320), (88, 2361815), (110, 1889452), (142, 1463660), (220, 944726), (284, 731830), (355, 585464), (440, 472363), (568, 365915), (710, 292732), (781, 266120), (1420, 146366), (1562, 133060), (2840, 73183), (3124, 66530), (3905, 53224), (6248, 33265), (6653, 31240), (7810, 26612), (13306, 15620)]