201405440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 88

約数和(自身を含む): 488332320

約数和(自身を除く): 286926880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 283, 320, 512, 556, 566, 640, 695, 1024, 1112, 1132, 1280, 1390, 1415, 2224, 2264, 2560, 2780, 2830, 4448, 4528, 5120, 5560, 5660, 8896, 9056, 11120, 11320, 17792, 18112, 22240, 22640, 35584, 36224, 39337, 44480, 45280, 71168, 72448, 78674, 88960, 90560, 142336, 144896, 157348, 177920, 181120, 196685, 289792, 314696, 355840, 362240, 393370, 629392, 711680, 724480, 786740, 1258784, 1448960, 1573480, 2517568, 3146960, 5035136, 6293920, 10070272, 12587840, 20140544, 25175680, 40281088, 50351360, 100702720, 201405440]

約数ペア:

[(1, 201405440), (2, 100702720), (4, 50351360), (5, 40281088), (8, 25175680), (10, 20140544), (16, 12587840), (20, 10070272), (32, 6293920), (40, 5035136), (64, 3146960), (80, 2517568), (128, 1573480), (139, 1448960), (160, 1258784), (256, 786740), (278, 724480), (283, 711680), (320, 629392), (512, 393370), (556, 362240), (566, 355840), (640, 314696), (695, 289792), (1024, 196685), (1112, 181120), (1132, 177920), (1280, 157348), (1390, 144896), (1415, 142336), (2224, 90560), (2264, 88960), (2560, 78674), (2780, 72448), (2830, 71168), (4448, 45280), (4528, 44480), (5120, 39337), (5560, 36224), (5660, 35584), (8896, 22640), (9056, 22240), (11120, 18112), (11320, 17792)]