227516540

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{17747}}^1$

素因数の和:18397

約数の個数: 24

約数和(自身を含む): 478557072

約数和(自身を除く): 251040532

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 17747, 35494, 70988, 88735, 177470, 354940, 11375827, 22751654, 45503308, 56879135, 113758270, 227516540]

約数ペア:

[(1, 227516540), (2, 113758270), (4, 56879135), (5, 45503308), (10, 22751654), (20, 11375827), (641, 354940), (1282, 177470), (2564, 88735), (3205, 70988), (6410, 35494), (12820, 17747)]