10728020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 13403500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 227, 278, 340, 454, 556, 695, 908, 1135, 1390, 2270, 2363, 2780, 3859, 4540, 4726, 7718, 9452, 11815, 15436, 19295, 23630, 31553, 38590, 47260, 63106, 77180, 126212, 157765, 315530, 536401, 631060, 1072802, 2145604, 2682005, 5364010, 10728020]

約数ペア:

[(1, 10728020), (2, 5364010), (4, 2682005), (5, 2145604), (10, 1072802), (17, 631060), (20, 536401), (34, 315530), (68, 157765), (85, 126212), (139, 77180), (170, 63106), (227, 47260), (278, 38590), (340, 31553), (454, 23630), (556, 19295), (695, 15436), (908, 11815), (1135, 9452), (1390, 7718), (2270, 4726), (2363, 4540), (2780, 3859)]