1155531980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{421727}}^1$

素因数の和:421873

約数の個数: 24

約数和(自身を含む): 2444335488

約数和(自身を除く): 1288803508

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 421727, 843454, 1686908, 2108635, 4217270, 8434540, 57776599, 115553198, 231106396, 288882995, 577765990, 1155531980]

約数ペア:

[(1, 1155531980), (2, 577765990), (4, 288882995), (5, 231106396), (10, 115553198), (20, 57776599), (137, 8434540), (274, 4217270), (548, 2108635), (685, 1686908), (1370, 843454), (2740, 421727)]