68454325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 96422400

約数和(自身を除く): 27968075

約数列:

[1, 5, 17, 23, 25, 47, 85, 115, 149, 235, 391, 425, 575, 745, 799, 1081, 1175, 1955, 2533, 3427, 3725, 3995, 5405, 7003, 9775, 12665, 17135, 18377, 19975, 27025, 35015, 58259, 63325, 85675, 91885, 119051, 161069, 175075, 291295, 459425, 595255, 805345, 1456475, 2738173, 2976275, 4026725, 13690865, 68454325]

約数ペア:

[(1, 68454325), (5, 13690865), (17, 4026725), (23, 2976275), (25, 2738173), (47, 1456475), (85, 805345), (115, 595255), (149, 459425), (235, 291295), (391, 175075), (425, 161069), (575, 119051), (745, 91885), (799, 85675), (1081, 63325), (1175, 58259), (1955, 35015), (2533, 27025), (3427, 19975), (3725, 18377), (3995, 17135), (5405, 12665), (7003, 9775)]