79454480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20269}}^1$

素因数の和:20296

約数の個数: 60

約数和(自身を含む): 214902540

約数和(自身を除く): 135448060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20269, 40538, 81076, 101345, 141883, 162152, 202690, 283766, 324304, 405380, 567532, 709415, 810760, 993181, 1135064, 1418830, 1621520, 1986362, 2270128, 2837660, 3972724, 4965905, 5675320, 7945448, 9931810, 11350640, 15890896, 19863620, 39727240, 79454480]

約数ペア:

[(1, 79454480), (2, 39727240), (4, 19863620), (5, 15890896), (7, 11350640), (8, 9931810), (10, 7945448), (14, 5675320), (16, 4965905), (20, 3972724), (28, 2837660), (35, 2270128), (40, 1986362), (49, 1621520), (56, 1418830), (70, 1135064), (80, 993181), (98, 810760), (112, 709415), (140, 567532), (196, 405380), (245, 324304), (280, 283766), (392, 202690), (490, 162152), (560, 141883), (784, 101345), (980, 81076), (1960, 40538), (3920, 20269)]