7245740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 16347744

約数和(自身を除く): 9102004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 211, 340, 404, 422, 505, 844, 1010, 1055, 1717, 2020, 2110, 3434, 3587, 4220, 6868, 7174, 8585, 14348, 17170, 17935, 21311, 34340, 35870, 42622, 71740, 85244, 106555, 213110, 362287, 426220, 724574, 1449148, 1811435, 3622870, 7245740]

約数ペア:

[(1, 7245740), (2, 3622870), (4, 1811435), (5, 1449148), (10, 724574), (17, 426220), (20, 362287), (34, 213110), (68, 106555), (85, 85244), (101, 71740), (170, 42622), (202, 35870), (211, 34340), (340, 21311), (404, 17935), (422, 17170), (505, 14348), (844, 8585), (1010, 7174), (1055, 6868), (1717, 4220), (2020, 3587), (2110, 3434)]