147220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 328104

約数和(自身を除く): 180884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 433, 866, 1732, 2165, 4330, 7361, 8660, 14722, 29444, 36805, 73610, 147220]

約数ペア:

[(1, 147220), (2, 73610), (4, 36805), (5, 29444), (10, 14722), (17, 8660), (20, 7361), (34, 4330), (68, 2165), (85, 1732), (170, 866), (340, 433)]