155256460

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{21991}}^1$

素因数の和:22353

約数の個数: 24

約数和(自身を含む): 326977056

約数和(自身を除く): 171720596

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 21991, 43982, 87964, 109955, 219910, 439820, 7762823, 15525646, 31051292, 38814115, 77628230, 155256460]

約数ペア:

[(1, 155256460), (2, 77628230), (4, 38814115), (5, 31051292), (10, 15525646), (20, 7762823), (353, 439820), (706, 219910), (1412, 109955), (1765, 87964), (3530, 43982), (7060, 21991)]