490453020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2724739}}^1$

素因数の和:2724754

約数の個数: 36

約数和(自身を含む): 1487708040

約数和(自身を除く): 997255020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2724739, 5449478, 8174217, 10898956, 13623695, 16348434, 24522651, 27247390, 32696868, 40871085, 49045302, 54494780, 81742170, 98090604, 122613255, 163484340, 245226510, 490453020]

約数ペア:

[(1, 490453020), (2, 245226510), (3, 163484340), (4, 122613255), (5, 98090604), (6, 81742170), (9, 54494780), (10, 49045302), (12, 40871085), (15, 32696868), (18, 27247390), (20, 24522651), (30, 16348434), (36, 13623695), (45, 10898956), (60, 8174217), (90, 5449478), (180, 2724739)]