199934720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8221}}^1$

素因数の和:8261

約数の個数: 72

約数和(自身を含む): 504173040

約数和(自身を除く): 304238320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 8221, 12160, 16442, 24320, 32884, 41105, 65768, 82210, 131536, 156199, 164420, 263072, 312398, 328840, 526144, 624796, 657680, 780995, 1052288, 1249592, 1315360, 1561990, 2104576, 2499184, 2630720, 3123980, 4998368, 5261440, 6247960, 9996736, 10522880, 12495920, 19993472, 24991840, 39986944, 49983680, 99967360, 199934720]

約数ペア:

[(1, 199934720), (2, 99967360), (4, 49983680), (5, 39986944), (8, 24991840), (10, 19993472), (16, 12495920), (19, 10522880), (20, 9996736), (32, 6247960), (38, 5261440), (40, 4998368), (64, 3123980), (76, 2630720), (80, 2499184), (95, 2104576), (128, 1561990), (152, 1315360), (160, 1249592), (190, 1052288), (256, 780995), (304, 657680), (320, 624796), (380, 526144), (608, 328840), (640, 312398), (760, 263072), (1216, 164420), (1280, 156199), (1520, 131536), (2432, 82210), (3040, 65768), (4864, 41105), (6080, 32884), (8221, 24320), (12160, 16442)]