28953890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36364510

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 70, 85, 119, 145, 170, 203, 238, 290, 406, 493, 595, 839, 986, 1015, 1190, 1678, 2030, 2465, 3451, 4195, 4930, 5873, 6902, 8390, 11746, 14263, 17255, 24331, 28526, 29365, 34510, 48662, 58730, 71315, 99841, 121655, 142630, 170317, 199682, 243310, 340634, 413627, 499205, 827254, 851585, 998410, 1703170, 2068135, 2895389, 4136270, 5790778, 14476945, 28953890]

約数ペア:

[(1, 28953890), (2, 14476945), (5, 5790778), (7, 4136270), (10, 2895389), (14, 2068135), (17, 1703170), (29, 998410), (34, 851585), (35, 827254), (58, 499205), (70, 413627), (85, 340634), (119, 243310), (145, 199682), (170, 170317), (203, 142630), (238, 121655), (290, 99841), (406, 71315), (493, 58730), (595, 48662), (839, 34510), (986, 29365), (1015, 28526), (1190, 24331), (1678, 17255), (2030, 14263), (2465, 11746), (3451, 8390), (4195, 6902), (4930, 5873)]