209940992

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 438768792

約数和(自身を除く): 228827800

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 73, 82, 128, 137, 146, 164, 256, 274, 292, 328, 512, 548, 584, 656, 1096, 1168, 1312, 2192, 2336, 2624, 2993, 4384, 4672, 5248, 5617, 5986, 8768, 9344, 10001, 10496, 11234, 11972, 17536, 18688, 20002, 20992, 22468, 23944, 35072, 37376, 40004, 44936, 47888, 70144, 80008, 89872, 95776, 160016, 179744, 191552, 320032, 359488, 383104, 410041, 640064, 718976, 766208, 820082, 1280128, 1437952, 1532416, 1640164, 2560256, 2875904, 3280328, 5120512, 6560656, 13121312, 26242624, 52485248, 104970496, 209940992]

約数ペア:

[(1, 209940992), (2, 104970496), (4, 52485248), (8, 26242624), (16, 13121312), (32, 6560656), (41, 5120512), (64, 3280328), (73, 2875904), (82, 2560256), (128, 1640164), (137, 1532416), (146, 1437952), (164, 1280128), (256, 820082), (274, 766208), (292, 718976), (328, 640064), (512, 410041), (548, 383104), (584, 359488), (656, 320032), (1096, 191552), (1168, 179744), (1312, 160016), (2192, 95776), (2336, 89872), (2624, 80008), (2993, 70144), (4384, 47888), (4672, 44936), (5248, 40004), (5617, 37376), (5986, 35072), (8768, 23944), (9344, 22468), (10001, 20992), (10496, 20002), (11234, 18688), (11972, 17536)]