39972230

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 73332000

約数和(自身を除く): 33359770

約数列:

[1, 2, 5, 10, 139, 149, 193, 278, 298, 386, 695, 745, 965, 1390, 1490, 1930, 20711, 26827, 28757, 41422, 53654, 57514, 103555, 134135, 143785, 207110, 268270, 287570, 3997223, 7994446, 19986115, 39972230]

約数ペア:

[(1, 39972230), (2, 19986115), (5, 7994446), (10, 3997223), (139, 287570), (149, 268270), (193, 207110), (278, 143785), (298, 134135), (386, 103555), (695, 57514), (745, 53654), (965, 41422), (1390, 28757), (1490, 26827), (1930, 20711)]