289380980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2067007}}^1$

素因数の和:2067023

約数の個数: 24

約数和(自身を含む): 694514688

約数和(自身を除く): 405133708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2067007, 4134014, 8268028, 10335035, 14469049, 20670070, 28938098, 41340140, 57876196, 72345245, 144690490, 289380980]

約数ペア:

[(1, 289380980), (2, 144690490), (4, 72345245), (5, 57876196), (7, 41340140), (10, 28938098), (14, 20670070), (20, 14469049), (28, 10335035), (35, 8268028), (70, 4134014), (140, 2067007)]