657220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 1462104

約数和(自身を除く): 804884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1933, 3866, 7732, 9665, 19330, 32861, 38660, 65722, 131444, 164305, 328610, 657220]

約数ペア:

[(1, 657220), (2, 328610), (4, 164305), (5, 131444), (10, 65722), (17, 38660), (20, 32861), (34, 19330), (68, 9665), (85, 7732), (170, 3866), (340, 1933)]