202117120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 104

約数和(自身を含む): 495391680

約数和(自身を除く): 293274560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 139, 142, 160, 256, 278, 284, 320, 355, 512, 556, 568, 640, 695, 710, 1024, 1112, 1136, 1280, 1390, 1420, 2048, 2224, 2272, 2560, 2780, 2840, 4096, 4448, 4544, 5120, 5560, 5680, 8896, 9088, 9869, 10240, 11120, 11360, 17792, 18176, 19738, 20480, 22240, 22720, 35584, 36352, 39476, 44480, 45440, 49345, 71168, 72704, 78952, 88960, 90880, 98690, 142336, 145408, 157904, 177920, 181760, 197380, 284672, 290816, 315808, 355840, 363520, 394760, 569344, 631616, 711680, 727040, 789520, 1263232, 1423360, 1454080, 1579040, 2526464, 2846720, 3158080, 5052928, 6316160, 10105856, 12632320, 20211712, 25264640, 40423424, 50529280, 101058560, 202117120]

約数ペア:

[(1, 202117120), (2, 101058560), (4, 50529280), (5, 40423424), (8, 25264640), (10, 20211712), (16, 12632320), (20, 10105856), (32, 6316160), (40, 5052928), (64, 3158080), (71, 2846720), (80, 2526464), (128, 1579040), (139, 1454080), (142, 1423360), (160, 1263232), (256, 789520), (278, 727040), (284, 711680), (320, 631616), (355, 569344), (512, 394760), (556, 363520), (568, 355840), (640, 315808), (695, 290816), (710, 284672), (1024, 197380), (1112, 181760), (1136, 177920), (1280, 157904), (1390, 145408), (1420, 142336), (2048, 98690), (2224, 90880), (2272, 88960), (2560, 78952), (2780, 72704), (2840, 71168), (4096, 49345), (4448, 45440), (4544, 44480), (5120, 39476), (5560, 36352), (5680, 35584), (8896, 22720), (9088, 22240), (9869, 20480), (10240, 19738), (11120, 18176), (11360, 17792)]