77427020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{997}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 178059168

約数和(自身を除く): 100632148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 997, 1412, 1765, 1994, 3530, 3883, 3988, 4985, 7060, 7766, 9970, 10967, 15532, 19415, 19940, 21934, 38830, 43868, 54835, 77660, 109670, 219340, 351941, 703882, 1407764, 1759705, 3519410, 3871351, 7038820, 7742702, 15485404, 19356755, 38713510, 77427020]

約数ペア:

[(1, 77427020), (2, 38713510), (4, 19356755), (5, 15485404), (10, 7742702), (11, 7038820), (20, 3871351), (22, 3519410), (44, 1759705), (55, 1407764), (110, 703882), (220, 351941), (353, 219340), (706, 109670), (997, 77660), (1412, 54835), (1765, 43868), (1994, 38830), (3530, 21934), (3883, 19940), (3988, 19415), (4985, 15532), (7060, 10967), (7766, 9970)]