214977920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19759}}^1$

素因数の和:19795

約数の個数: 64

約数和(自身を含む): 544190400

約数和(自身を除く): 329212480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 19759, 39518, 79036, 98795, 158072, 197590, 316144, 335903, 395180, 632288, 671806, 790360, 1264576, 1343612, 1580720, 1679515, 2529152, 2687224, 3161440, 3359030, 5374448, 6322880, 6718060, 10748896, 12645760, 13436120, 21497792, 26872240, 42995584, 53744480, 107488960, 214977920]

約数ペア:

[(1, 214977920), (2, 107488960), (4, 53744480), (5, 42995584), (8, 26872240), (10, 21497792), (16, 13436120), (17, 12645760), (20, 10748896), (32, 6718060), (34, 6322880), (40, 5374448), (64, 3359030), (68, 3161440), (80, 2687224), (85, 2529152), (128, 1679515), (136, 1580720), (160, 1343612), (170, 1264576), (272, 790360), (320, 671806), (340, 632288), (544, 395180), (640, 335903), (680, 316144), (1088, 197590), (1360, 158072), (2176, 98795), (2720, 79036), (5440, 39518), (10880, 19759)]