77210800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:195

約数の個数: 90

約数和(自身を含む): 192688188

約数和(自身を除く): 115477388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 67, 80, 86, 100, 134, 172, 200, 215, 268, 335, 344, 400, 430, 536, 670, 688, 860, 1072, 1075, 1340, 1675, 1720, 2150, 2680, 2881, 3350, 3440, 4300, 4489, 5360, 5762, 6700, 8600, 8978, 11524, 13400, 14405, 17200, 17956, 22445, 23048, 26800, 28810, 35912, 44890, 46096, 57620, 71824, 72025, 89780, 112225, 115240, 144050, 179560, 193027, 224450, 230480, 288100, 359120, 386054, 448900, 576200, 772108, 897800, 965135, 1152400, 1544216, 1795600, 1930270, 3088432, 3860540, 4825675, 7721080, 9651350, 15442160, 19302700, 38605400, 77210800]

約数ペア:

[(1, 77210800), (2, 38605400), (4, 19302700), (5, 15442160), (8, 9651350), (10, 7721080), (16, 4825675), (20, 3860540), (25, 3088432), (40, 1930270), (43, 1795600), (50, 1544216), (67, 1152400), (80, 965135), (86, 897800), (100, 772108), (134, 576200), (172, 448900), (200, 386054), (215, 359120), (268, 288100), (335, 230480), (344, 224450), (400, 193027), (430, 179560), (536, 144050), (670, 115240), (688, 112225), (860, 89780), (1072, 72025), (1075, 71824), (1340, 57620), (1675, 46096), (1720, 44890), (2150, 35912), (2680, 28810), (2881, 26800), (3350, 23048), (3440, 22445), (4300, 17956), (4489, 17200), (5360, 14405), (5762, 13400), (6700, 11524), (8600, 8978)]