401076160

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 983162880

約数和(自身を除く): 582086720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 127, 139, 142, 160, 254, 278, 284, 320, 355, 508, 556, 568, 635, 695, 710, 1016, 1112, 1136, 1270, 1390, 1420, 2032, 2224, 2272, 2540, 2780, 2840, 4064, 4448, 4544, 5080, 5560, 5680, 8128, 8896, 9017, 9869, 10160, 11120, 11360, 17653, 18034, 19738, 20320, 22240, 22720, 35306, 36068, 39476, 40640, 44480, 45085, 49345, 70612, 72136, 78952, 88265, 90170, 98690, 141224, 144272, 157904, 176530, 180340, 197380, 282448, 288544, 315808, 353060, 360680, 394760, 564896, 577088, 631616, 706120, 721360, 789520, 1129792, 1253363, 1412240, 1442720, 1579040, 2506726, 2824480, 2885440, 3158080, 5013452, 5648960, 6266815, 10026904, 12533630, 20053808, 25067260, 40107616, 50134520, 80215232, 100269040, 200538080, 401076160]

約数ペア:

[(1, 401076160), (2, 200538080), (4, 100269040), (5, 80215232), (8, 50134520), (10, 40107616), (16, 25067260), (20, 20053808), (32, 12533630), (40, 10026904), (64, 6266815), (71, 5648960), (80, 5013452), (127, 3158080), (139, 2885440), (142, 2824480), (160, 2506726), (254, 1579040), (278, 1442720), (284, 1412240), (320, 1253363), (355, 1129792), (508, 789520), (556, 721360), (568, 706120), (635, 631616), (695, 577088), (710, 564896), (1016, 394760), (1112, 360680), (1136, 353060), (1270, 315808), (1390, 288544), (1420, 282448), (2032, 197380), (2224, 180340), (2272, 176530), (2540, 157904), (2780, 144272), (2840, 141224), (4064, 98690), (4448, 90170), (4544, 88265), (5080, 78952), (5560, 72136), (5680, 70612), (8128, 49345), (8896, 45085), (9017, 44480), (9869, 40640), (10160, 39476), (11120, 36068), (11360, 35306), (17653, 22720), (18034, 22240), (19738, 20320)]