254458020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4240967}}^1$

素因数の和:4240979

約数の個数: 24

約数和(自身を含む): 712482624

約数和(自身を除く): 458024604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4240967, 8481934, 12722901, 16963868, 21204835, 25445802, 42409670, 50891604, 63614505, 84819340, 127229010, 254458020]

約数ペア:

[(1, 254458020), (2, 127229010), (3, 84819340), (4, 63614505), (5, 50891604), (6, 42409670), (10, 25445802), (12, 21204835), (15, 16963868), (20, 12722901), (30, 8481934), (60, 4240967)]