30809780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90617}}^1$

素因数の和:90643

約数の個数: 24

約数和(自身を含む): 68507208

約数和(自身を除く): 37697428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90617, 181234, 362468, 453085, 906170, 1540489, 1812340, 3080978, 6161956, 7702445, 15404890, 30809780]

約数ペア:

[(1, 30809780), (2, 15404890), (4, 7702445), (5, 6161956), (10, 3080978), (17, 1812340), (20, 1540489), (34, 906170), (68, 453085), (85, 362468), (170, 181234), (340, 90617)]