291188020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{106273}}^1$

素因数の和:106419

約数の個数: 24

約数和(自身を含む): 615964104

約数和(自身を除く): 324776084

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 106273, 212546, 425092, 531365, 1062730, 2125460, 14559401, 29118802, 58237604, 72797005, 145594010, 291188020]

約数ペア:

[(1, 291188020), (2, 145594010), (4, 72797005), (5, 58237604), (10, 29118802), (20, 14559401), (137, 2125460), (274, 1062730), (548, 531365), (685, 425092), (1370, 212546), (2740, 106273)]