9490690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 19751040

約数和(自身を除く): 10260350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 239, 361, 418, 478, 722, 1045, 1195, 1805, 2090, 2390, 2629, 3610, 3971, 4541, 5258, 7942, 9082, 13145, 19855, 22705, 26290, 39710, 45410, 49951, 86279, 99902, 172558, 249755, 431395, 499510, 862790, 949069, 1898138, 4745345, 9490690]

約数ペア:

[(1, 9490690), (2, 4745345), (5, 1898138), (10, 949069), (11, 862790), (19, 499510), (22, 431395), (38, 249755), (55, 172558), (95, 99902), (110, 86279), (190, 49951), (209, 45410), (239, 39710), (361, 26290), (418, 22705), (478, 19855), (722, 13145), (1045, 9082), (1195, 7942), (1805, 5258), (2090, 4541), (2390, 3971), (2629, 3610)]