611420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 1352400

約数和(自身を除く): 740980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1609, 3218, 6436, 8045, 16090, 30571, 32180, 61142, 122284, 152855, 305710, 611420]

約数ペア:

[(1, 611420), (2, 305710), (4, 152855), (5, 122284), (10, 61142), (19, 32180), (20, 30571), (38, 16090), (76, 8045), (95, 6436), (190, 3218), (380, 1609)]