234690520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{14779}}^1$

素因数の和:15187

約数の個数: 32

約数和(自身を含む): 529419600

約数和(自身を除く): 294729080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 14779, 15880, 29558, 59116, 73895, 118232, 147790, 295580, 591160, 5867263, 11734526, 23469052, 29336315, 46938104, 58672630, 117345260, 234690520]

約数ペア:

[(1, 234690520), (2, 117345260), (4, 58672630), (5, 46938104), (8, 29336315), (10, 23469052), (20, 11734526), (40, 5867263), (397, 591160), (794, 295580), (1588, 147790), (1985, 118232), (3176, 73895), (3970, 59116), (7940, 29558), (14779, 15880)]