149424520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{10891}}^1$

素因数の和:10923

約数の個数: 64

約数和(自身を含む): 392112000

約数和(自身を除く): 242687480

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, 10891, 13720, 21782, 43564, 54455, 76237, 87128, 108910, 152474, 217820, 304948, 381185, 435640, 533659, 609896, 762370, 1067318, 1524740, 2134636, 2668295, 3049480, 3735613, 4269272, 5336590, 7471226, 10673180, 14942452, 18678065, 21346360, 29884904, 37356130, 74712260, 149424520]

約数ペア:

[(1, 149424520), (2, 74712260), (4, 37356130), (5, 29884904), (7, 21346360), (8, 18678065), (10, 14942452), (14, 10673180), (20, 7471226), (28, 5336590), (35, 4269272), (40, 3735613), (49, 3049480), (56, 2668295), (70, 2134636), (98, 1524740), (140, 1067318), (196, 762370), (245, 609896), (280, 533659), (343, 435640), (392, 381185), (490, 304948), (686, 217820), (980, 152474), (1372, 108910), (1715, 87128), (1960, 76237), (2744, 54455), (3430, 43564), (6860, 21782), (10891, 13720)]