199043840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6761}}^1$

素因数の和:6805

約数の個数: 72

約数和(自身を含む): 497575008

約数和(自身を除く): 298531168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 6761, 7360, 13522, 14720, 27044, 29440, 33805, 54088, 67610, 108176, 135220, 155503, 216352, 270440, 311006, 432704, 540880, 622012, 777515, 865408, 1081760, 1244024, 1555030, 1730816, 2163520, 2488048, 3110060, 4327040, 4976096, 6220120, 8654080, 9952192, 12440240, 19904384, 24880480, 39808768, 49760960, 99521920, 199043840]

約数ペア:

[(1, 199043840), (2, 99521920), (4, 49760960), (5, 39808768), (8, 24880480), (10, 19904384), (16, 12440240), (20, 9952192), (23, 8654080), (32, 6220120), (40, 4976096), (46, 4327040), (64, 3110060), (80, 2488048), (92, 2163520), (115, 1730816), (128, 1555030), (160, 1244024), (184, 1081760), (230, 865408), (256, 777515), (320, 622012), (368, 540880), (460, 432704), (640, 311006), (736, 270440), (920, 216352), (1280, 155503), (1472, 135220), (1840, 108176), (2944, 67610), (3680, 54088), (5888, 33805), (6761, 29440), (7360, 27044), (13522, 14720)]