155531420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{706961}}^1$

素因数の和:706981

約数の個数: 24

約数和(自身を含む): 356308848

約数和(自身を除く): 200777428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 706961, 1413922, 2827844, 3534805, 7069610, 7776571, 14139220, 15553142, 31106284, 38882855, 77765710, 155531420]

約数ペア:

[(1, 155531420), (2, 77765710), (4, 38882855), (5, 31106284), (10, 15553142), (11, 14139220), (20, 7776571), (22, 7069610), (44, 3534805), (55, 2827844), (110, 1413922), (220, 706961)]