242090140

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{7523}}^1$

素因数の和:9141

約数の個数: 24

約数和(自身を含む): 508772880

約数和(自身を除く): 266682740

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 7523, 8045, 15046, 16090, 30092, 32180, 37615, 75230, 150460, 12104507, 24209014, 48418028, 60522535, 121045070, 242090140]

約数ペア:

[(1, 242090140), (2, 121045070), (4, 60522535), (5, 48418028), (10, 24209014), (20, 12104507), (1609, 150460), (3218, 75230), (6436, 37615), (7523, 32180), (8045, 30092), (15046, 16090)]