28857580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75941}}^1$

素因数の和:75969

約数の個数: 24

約数和(自身を含む): 63791280

約数和(自身を除く): 34933700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75941, 151882, 303764, 379705, 759410, 1442879, 1518820, 2885758, 5771516, 7214395, 14428790, 28857580]

約数ペア:

[(1, 28857580), (2, 14428790), (4, 7214395), (5, 5771516), (10, 2885758), (19, 1518820), (20, 1442879), (38, 759410), (76, 379705), (95, 303764), (190, 151882), (380, 75941)]