98645980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 212115456

約数和(自身を除く): 113469476

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 547, 635, 710, 1094, 1270, 1420, 2188, 2540, 2735, 5470, 9017, 10940, 18034, 36068, 38837, 45085, 69469, 77674, 90170, 138938, 155348, 180340, 194185, 277876, 347345, 388370, 694690, 776740, 1389380, 4932299, 9864598, 19729196, 24661495, 49322990, 98645980]

約数ペア:

[(1, 98645980), (2, 49322990), (4, 24661495), (5, 19729196), (10, 9864598), (20, 4932299), (71, 1389380), (127, 776740), (142, 694690), (254, 388370), (284, 347345), (355, 277876), (508, 194185), (547, 180340), (635, 155348), (710, 138938), (1094, 90170), (1270, 77674), (1420, 69469), (2188, 45085), (2540, 38837), (2735, 36068), (5470, 18034), (9017, 10940)]