206916400

素因数分解:

$2^4\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1303}}^1$

素因数の和:1718

約数の個数: 60

約数和(自身を含む): 498751312

約数和(自身を除く): 291834912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 397, 400, 794, 1303, 1588, 1985, 2606, 3176, 3970, 5212, 6352, 6515, 7940, 9925, 10424, 13030, 15880, 19850, 20848, 26060, 31760, 32575, 39700, 52120, 65150, 79400, 104240, 130300, 158800, 260600, 517291, 521200, 1034582, 2069164, 2586455, 4138328, 5172910, 8276656, 10345820, 12932275, 20691640, 25864550, 41383280, 51729100, 103458200, 206916400]

約数ペア:

[(1, 206916400), (2, 103458200), (4, 51729100), (5, 41383280), (8, 25864550), (10, 20691640), (16, 12932275), (20, 10345820), (25, 8276656), (40, 5172910), (50, 4138328), (80, 2586455), (100, 2069164), (200, 1034582), (397, 521200), (400, 517291), (794, 260600), (1303, 158800), (1588, 130300), (1985, 104240), (2606, 79400), (3176, 65150), (3970, 52120), (5212, 39700), (6352, 32575), (6515, 31760), (7940, 26060), (9925, 20848), (10424, 19850), (13030, 15880)]