30401780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89417}}^1$

素因数の和:89443

約数の個数: 24

約数和(自身を含む): 67600008

約数和(自身を除く): 37198228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 89417, 178834, 357668, 447085, 894170, 1520089, 1788340, 3040178, 6080356, 7600445, 15200890, 30401780]

約数ペア:

[(1, 30401780), (2, 15200890), (4, 7600445), (5, 6080356), (10, 3040178), (17, 1788340), (20, 1520089), (34, 894170), (68, 447085), (85, 357668), (170, 178834), (340, 89417)]