281242400

素因数分解:

$2^5\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1109}}^1$

素因数の和:1446

約数の個数: 72

約数和(自身を含む): 689369940

約数和(自身を除く): 408127540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 317, 400, 634, 800, 1109, 1268, 1585, 2218, 2536, 3170, 4436, 5072, 5545, 6340, 7925, 8872, 10144, 11090, 12680, 15850, 17744, 22180, 25360, 27725, 31700, 35488, 44360, 50720, 55450, 63400, 88720, 110900, 126800, 177440, 221800, 253600, 351553, 443600, 703106, 887200, 1406212, 1757765, 2812424, 3515530, 5624848, 7031060, 8788825, 11249696, 14062120, 17577650, 28124240, 35155300, 56248480, 70310600, 140621200, 281242400]

約数ペア:

[(1, 281242400), (2, 140621200), (4, 70310600), (5, 56248480), (8, 35155300), (10, 28124240), (16, 17577650), (20, 14062120), (25, 11249696), (32, 8788825), (40, 7031060), (50, 5624848), (80, 3515530), (100, 2812424), (160, 1757765), (200, 1406212), (317, 887200), (400, 703106), (634, 443600), (800, 351553), (1109, 253600), (1268, 221800), (1585, 177440), (2218, 126800), (2536, 110900), (3170, 88720), (4436, 63400), (5072, 55450), (5545, 50720), (6340, 44360), (7925, 35488), (8872, 31700), (10144, 27725), (11090, 25360), (12680, 22180), (15850, 17744)]