28997600

素因数分解:

$2^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 71979768

約数和(自身を除く): 42982168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 67, 80, 100, 134, 160, 200, 268, 335, 400, 536, 541, 670, 800, 1072, 1082, 1340, 1675, 2144, 2164, 2680, 2705, 3350, 4328, 5360, 5410, 6700, 8656, 10720, 10820, 13400, 13525, 17312, 21640, 26800, 27050, 36247, 43280, 53600, 54100, 72494, 86560, 108200, 144988, 181235, 216400, 289976, 362470, 432800, 579952, 724940, 906175, 1159904, 1449880, 1812350, 2899760, 3624700, 5799520, 7249400, 14498800, 28997600]

約数ペア:

[(1, 28997600), (2, 14498800), (4, 7249400), (5, 5799520), (8, 3624700), (10, 2899760), (16, 1812350), (20, 1449880), (25, 1159904), (32, 906175), (40, 724940), (50, 579952), (67, 432800), (80, 362470), (100, 289976), (134, 216400), (160, 181235), (200, 144988), (268, 108200), (335, 86560), (400, 72494), (536, 54100), (541, 53600), (670, 43280), (800, 36247), (1072, 27050), (1082, 26800), (1340, 21640), (1675, 17312), (2144, 13525), (2164, 13400), (2680, 10820), (2705, 10720), (3350, 8656), (4328, 6700), (5360, 5410)]