1639291220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11709223}}^1$

素因数の和:11709239

約数の個数: 24

約数和(自身を含む): 3934299264

約数和(自身を除く): 2295008044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11709223, 23418446, 46836892, 58546115, 81964561, 117092230, 163929122, 234184460, 327858244, 409822805, 819645610, 1639291220]

約数ペア:

[(1, 1639291220), (2, 819645610), (4, 409822805), (5, 327858244), (7, 234184460), (10, 163929122), (14, 117092230), (20, 81964561), (28, 58546115), (35, 46836892), (70, 23418446), (140, 11709223)]