772420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3511}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 1770048

約数和(自身を除く): 997628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3511, 7022, 14044, 17555, 35110, 38621, 70220, 77242, 154484, 193105, 386210, 772420]

約数ペア:

[(1, 772420), (2, 386210), (4, 193105), (5, 154484), (10, 77242), (11, 70220), (20, 38621), (22, 35110), (44, 17555), (55, 14044), (110, 7022), (220, 3511)]