100269040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 239984640

約数和(自身を除く): 139715600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 127, 139, 142, 254, 278, 284, 355, 508, 556, 568, 635, 695, 710, 1016, 1112, 1136, 1270, 1390, 1420, 2032, 2224, 2540, 2780, 2840, 5080, 5560, 5680, 9017, 9869, 10160, 11120, 17653, 18034, 19738, 35306, 36068, 39476, 45085, 49345, 70612, 72136, 78952, 88265, 90170, 98690, 141224, 144272, 157904, 176530, 180340, 197380, 282448, 353060, 360680, 394760, 706120, 721360, 789520, 1253363, 1412240, 2506726, 5013452, 6266815, 10026904, 12533630, 20053808, 25067260, 50134520, 100269040]

約数ペア:

[(1, 100269040), (2, 50134520), (4, 25067260), (5, 20053808), (8, 12533630), (10, 10026904), (16, 6266815), (20, 5013452), (40, 2506726), (71, 1412240), (80, 1253363), (127, 789520), (139, 721360), (142, 706120), (254, 394760), (278, 360680), (284, 353060), (355, 282448), (508, 197380), (556, 180340), (568, 176530), (635, 157904), (695, 144272), (710, 141224), (1016, 98690), (1112, 90170), (1136, 88265), (1270, 78952), (1390, 72136), (1420, 70612), (2032, 49345), (2224, 45085), (2540, 39476), (2780, 36068), (2840, 35306), (5080, 19738), (5560, 18034), (5680, 17653), (9017, 11120), (9869, 10160)]