207249920

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1205

約数の個数: 80

約数和(自身を含む): 504175320

約数和(自身を除く): 296925400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 512, 584, 640, 730, 1109, 1168, 1280, 1460, 2218, 2336, 2560, 2920, 4436, 4672, 5545, 5840, 8872, 9344, 11090, 11680, 17744, 18688, 22180, 23360, 35488, 37376, 44360, 46720, 70976, 80957, 88720, 93440, 141952, 161914, 177440, 186880, 283904, 323828, 354880, 404785, 567808, 647656, 709760, 809570, 1295312, 1419520, 1619140, 2590624, 2839040, 3238280, 5181248, 6476560, 10362496, 12953120, 20724992, 25906240, 41449984, 51812480, 103624960, 207249920]

約数ペア:

[(1, 207249920), (2, 103624960), (4, 51812480), (5, 41449984), (8, 25906240), (10, 20724992), (16, 12953120), (20, 10362496), (32, 6476560), (40, 5181248), (64, 3238280), (73, 2839040), (80, 2590624), (128, 1619140), (146, 1419520), (160, 1295312), (256, 809570), (292, 709760), (320, 647656), (365, 567808), (512, 404785), (584, 354880), (640, 323828), (730, 283904), (1109, 186880), (1168, 177440), (1280, 161914), (1460, 141952), (2218, 93440), (2336, 88720), (2560, 80957), (2920, 70976), (4436, 46720), (4672, 44360), (5545, 37376), (5840, 35488), (8872, 23360), (9344, 22180), (11090, 18688), (11680, 17744)]