68317025

素因数分解:

$5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 102374400

約数和(自身を除く): 34057375

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 257, 343, 775, 1085, 1225, 1285, 1519, 1715, 1799, 5425, 6425, 7595, 7967, 8575, 8995, 10633, 12593, 37975, 39835, 44975, 53165, 55769, 62965, 88151, 199175, 265825, 278845, 314825, 390383, 440755, 1394225, 1951915, 2203775, 2732681, 9759575, 13663405, 68317025]

約数ペア:

[(1, 68317025), (5, 13663405), (7, 9759575), (25, 2732681), (31, 2203775), (35, 1951915), (49, 1394225), (155, 440755), (175, 390383), (217, 314825), (245, 278845), (257, 265825), (343, 199175), (775, 88151), (1085, 62965), (1225, 55769), (1285, 53165), (1519, 44975), (1715, 39835), (1799, 37975), (5425, 12593), (6425, 10633), (7595, 8995), (7967, 8575)]