7041740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 15876000

約数和(自身を除く): 8834260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 149, 170, 278, 298, 340, 556, 596, 695, 745, 1390, 1490, 2363, 2533, 2780, 2980, 4726, 5066, 9452, 10132, 11815, 12665, 20711, 23630, 25330, 41422, 47260, 50660, 82844, 103555, 207110, 352087, 414220, 704174, 1408348, 1760435, 3520870, 7041740]

約数ペア:

[(1, 7041740), (2, 3520870), (4, 1760435), (5, 1408348), (10, 704174), (17, 414220), (20, 352087), (34, 207110), (68, 103555), (85, 82844), (139, 50660), (149, 47260), (170, 41422), (278, 25330), (298, 23630), (340, 20711), (556, 12665), (596, 11815), (695, 10132), (745, 9452), (1390, 5066), (1490, 4726), (2363, 2980), (2533, 2780)]