208689280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19181}}^1$

素因数の和:19217

約数の個数: 64

約数和(自身を含む): 528272280

約数和(自身を除く): 319583000

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, 19181, 38362, 76724, 95905, 153448, 191810, 306896, 326077, 383620, 613792, 652154, 767240, 1227584, 1304308, 1534480, 1630385, 2455168, 2608616, 3068960, 3260770, 5217232, 6137920, 6521540, 10434464, 12275840, 13043080, 20868928, 26086160, 41737856, 52172320, 104344640, 208689280]

約数ペア:

[(1, 208689280), (2, 104344640), (4, 52172320), (5, 41737856), (8, 26086160), (10, 20868928), (16, 13043080), (17, 12275840), (20, 10434464), (32, 6521540), (34, 6137920), (40, 5217232), (64, 3260770), (68, 3068960), (80, 2608616), (85, 2455168), (128, 1630385), (136, 1534480), (160, 1304308), (170, 1227584), (272, 767240), (320, 652154), (340, 613792), (544, 383620), (640, 326077), (680, 306896), (1088, 191810), (1360, 153448), (2176, 95905), (2720, 76724), (5440, 38362), (10880, 19181)]