247388390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{244939}}^1$

素因数の和:245047

約数の個数: 16

約数和(自身を含む): 449709840

約数和(自身を除く): 202321450

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 244939, 489878, 1224695, 2449390, 24738839, 49477678, 123694195, 247388390]

約数ペア:

[(1, 247388390), (2, 123694195), (5, 49477678), (10, 24738839), (101, 2449390), (202, 1224695), (505, 489878), (1010, 244939)]