211466360

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15413}}^1$

素因数の和:15445

約数の個数: 64

約数和(自身を含む): 554904000

約数和(自身を除く): 343437640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15413, 30826, 61652, 77065, 107891, 123304, 154130, 215782, 308260, 431564, 539455, 616520, 755237, 863128, 1078910, 1510474, 2157820, 3020948, 3776185, 4315640, 5286659, 6041896, 7552370, 10573318, 15104740, 21146636, 26433295, 30209480, 42293272, 52866590, 105733180, 211466360]

約数ペア:

[(1, 211466360), (2, 105733180), (4, 52866590), (5, 42293272), (7, 30209480), (8, 26433295), (10, 21146636), (14, 15104740), (20, 10573318), (28, 7552370), (35, 6041896), (40, 5286659), (49, 4315640), (56, 3776185), (70, 3020948), (98, 2157820), (140, 1510474), (196, 1078910), (245, 863128), (280, 755237), (343, 616520), (392, 539455), (490, 431564), (686, 308260), (980, 215782), (1372, 154130), (1715, 123304), (1960, 107891), (2744, 77065), (3430, 61652), (6860, 30826), (13720, 15413)]