49919240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{25469}}^1$

素因数の和:25494

約数の個数: 48

約数和(自身を含む): 130661100

約数和(自身を除く): 80741860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 25469, 50938, 101876, 127345, 178283, 203752, 254690, 356566, 509380, 713132, 891415, 1018760, 1247981, 1426264, 1782830, 2495962, 3565660, 4991924, 6239905, 7131320, 9983848, 12479810, 24959620, 49919240]

約数ペア:

[(1, 49919240), (2, 24959620), (4, 12479810), (5, 9983848), (7, 7131320), (8, 6239905), (10, 4991924), (14, 3565660), (20, 2495962), (28, 1782830), (35, 1426264), (40, 1247981), (49, 1018760), (56, 891415), (70, 713132), (98, 509380), (140, 356566), (196, 254690), (245, 203752), (280, 178283), (392, 127345), (490, 101876), (980, 50938), (1960, 25469)]