66365740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4349}}^1$

素因数の和:4474

約数の個数: 48

約数和(自身を含む): 160776000

約数和(自身を除く): 94410260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4349, 7630, 8698, 15260, 17396, 21745, 30443, 43490, 60886, 86980, 121772, 152215, 304430, 474041, 608860, 948082, 1896164, 2370205, 3318287, 4740410, 6636574, 9480820, 13273148, 16591435, 33182870, 66365740]

約数ペア:

[(1, 66365740), (2, 33182870), (4, 16591435), (5, 13273148), (7, 9480820), (10, 6636574), (14, 4740410), (20, 3318287), (28, 2370205), (35, 1896164), (70, 948082), (109, 608860), (140, 474041), (218, 304430), (436, 152215), (545, 121772), (763, 86980), (1090, 60886), (1526, 43490), (2180, 30443), (3052, 21745), (3815, 17396), (4349, 15260), (7630, 8698)]