194818820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1391563}}^1$

素因数の和:1391579

約数の個数: 24

約数和(自身を含む): 467565504

約数和(自身を除く): 272746684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1391563, 2783126, 5566252, 6957815, 9740941, 13915630, 19481882, 27831260, 38963764, 48704705, 97409410, 194818820]

約数ペア:

[(1, 194818820), (2, 97409410), (4, 48704705), (5, 38963764), (7, 27831260), (10, 19481882), (14, 13915630), (20, 9740941), (28, 6957815), (35, 5566252), (70, 2783126), (140, 1391563)]