289770010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{1021}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 529142544

約数和(自身を除く): 239372534

約数列:

[1, 2, 5, 10, 101, 202, 281, 505, 562, 1010, 1021, 1405, 2042, 2810, 5105, 10210, 28381, 56762, 103121, 141905, 206242, 283810, 286901, 515605, 573802, 1031210, 1434505, 2869010, 28977001, 57954002, 144885005, 289770010]

約数ペア:

[(1, 289770010), (2, 144885005), (5, 57954002), (10, 28977001), (101, 2869010), (202, 1434505), (281, 1031210), (505, 573802), (562, 515605), (1010, 286901), (1021, 283810), (1405, 206242), (2042, 141905), (2810, 103121), (5105, 56762), (10210, 28381)]