29987980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{136309}}^1$

素因数の和:136329

約数の個数: 24

約数和(自身を含む): 68700240

約数和(自身を除く): 38712260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 136309, 272618, 545236, 681545, 1363090, 1499399, 2726180, 2998798, 5997596, 7496995, 14993990, 29987980]

約数ペア:

[(1, 29987980), (2, 14993990), (4, 7496995), (5, 5997596), (10, 2998798), (11, 2726180), (20, 1499399), (22, 1363090), (44, 681545), (55, 545236), (110, 272618), (220, 136309)]