12738035380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{354031}}^1$

素因数の和:354304

約数の個数: 48

約数和(自身を含む): 30690326016

約数和(自身を除く): 17952290636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 17990, 35980, 354031, 708062, 1416124, 1770155, 2478217, 3540310, 4956434, 7080620, 9912868, 12391085, 24782170, 49564340, 90985967, 181971934, 363943868, 454929835, 636901769, 909859670, 1273803538, 1819719340, 2547607076, 3184508845, 6369017690, 12738035380]

約数ペア:

[(1, 12738035380), (2, 6369017690), (4, 3184508845), (5, 2547607076), (7, 1819719340), (10, 1273803538), (14, 909859670), (20, 636901769), (28, 454929835), (35, 363943868), (70, 181971934), (140, 90985967), (257, 49564340), (514, 24782170), (1028, 12391085), (1285, 9912868), (1799, 7080620), (2570, 4956434), (3598, 3540310), (5140, 2478217), (7196, 1770155), (8995, 1416124), (17990, 708062), (35980, 354031)]