1222840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 2898000

約数和(自身を除く): 1675160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1609, 3218, 6436, 8045, 12872, 16090, 30571, 32180, 61142, 64360, 122284, 152855, 244568, 305710, 611420, 1222840]

約数ペア:

[(1, 1222840), (2, 611420), (4, 305710), (5, 244568), (8, 152855), (10, 122284), (19, 64360), (20, 61142), (38, 32180), (40, 30571), (76, 16090), (95, 12872), (152, 8045), (190, 6436), (380, 3218), (760, 1609)]