199905280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 104

約数和(自身を含む): 493032672

約数和(自身を除く): 293127392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 227, 256, 320, 344, 430, 454, 512, 640, 688, 860, 908, 1024, 1135, 1280, 1376, 1720, 1816, 2048, 2270, 2560, 2752, 3440, 3632, 4096, 4540, 5120, 5504, 6880, 7264, 9080, 9761, 10240, 11008, 13760, 14528, 18160, 19522, 20480, 22016, 27520, 29056, 36320, 39044, 44032, 48805, 55040, 58112, 72640, 78088, 88064, 97610, 110080, 116224, 145280, 156176, 176128, 195220, 220160, 232448, 290560, 312352, 390440, 440320, 464896, 581120, 624704, 780880, 880640, 929792, 1162240, 1249408, 1561760, 2324480, 2498816, 3123520, 4648960, 4997632, 6247040, 9995264, 12494080, 19990528, 24988160, 39981056, 49976320, 99952640, 199905280]

約数ペア:

[(1, 199905280), (2, 99952640), (4, 49976320), (5, 39981056), (8, 24988160), (10, 19990528), (16, 12494080), (20, 9995264), (32, 6247040), (40, 4997632), (43, 4648960), (64, 3123520), (80, 2498816), (86, 2324480), (128, 1561760), (160, 1249408), (172, 1162240), (215, 929792), (227, 880640), (256, 780880), (320, 624704), (344, 581120), (430, 464896), (454, 440320), (512, 390440), (640, 312352), (688, 290560), (860, 232448), (908, 220160), (1024, 195220), (1135, 176128), (1280, 156176), (1376, 145280), (1720, 116224), (1816, 110080), (2048, 97610), (2270, 88064), (2560, 78088), (2752, 72640), (3440, 58112), (3632, 55040), (4096, 48805), (4540, 44032), (5120, 39044), (5504, 36320), (6880, 29056), (7264, 27520), (9080, 22016), (9761, 20480), (10240, 19522), (11008, 18160), (13760, 14528)]