142254460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{70423}}^1$

素因数の和:70533

約数の個数: 24

約数和(自身を含む): 301696416

約数和(自身を除く): 159441956

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 70423, 140846, 281692, 352115, 704230, 1408460, 7112723, 14225446, 28450892, 35563615, 71127230, 142254460]

約数ペア:

[(1, 142254460), (2, 71127230), (4, 35563615), (5, 28450892), (10, 14225446), (20, 7112723), (101, 1408460), (202, 704230), (404, 352115), (505, 281692), (1010, 140846), (2020, 70423)]