25978500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 85857408

約数和(自身を除く): 59878908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 180, 207, 225, 230, 250, 251, 276, 300, 345, 375, 414, 450, 460, 500, 502, 575, 690, 750, 753, 828, 900, 1004, 1035, 1125, 1150, 1255, 1380, 1500, 1506, 1725, 2070, 2250, 2259, 2300, 2510, 2875, 3012, 3450, 3765, 4140, 4500, 4518, 5020, 5175, 5750, 5773, 6275, 6900, 7530, 8625, 9036, 10350, 11295, 11500, 11546, 12550, 15060, 17250, 17319, 18825, 20700, 22590, 23092, 25100, 25875, 28865, 31375, 34500, 34638, 37650, 45180, 51750, 51957, 56475, 57730, 62750, 69276, 75300, 86595, 94125, 103500, 103914, 112950, 115460, 125500, 144325, 173190, 188250, 207828, 225900, 259785, 282375, 288650, 346380, 376500, 432975, 519570, 564750, 577300, 721625, 865950, 1039140, 1129500, 1298925, 1443250, 1731900, 2164875, 2597850, 2886500, 4329750, 5195700, 6494625, 8659500, 12989250, 25978500]

約数ペア:

[(1, 25978500), (2, 12989250), (3, 8659500), (4, 6494625), (5, 5195700), (6, 4329750), (9, 2886500), (10, 2597850), (12, 2164875), (15, 1731900), (18, 1443250), (20, 1298925), (23, 1129500), (25, 1039140), (30, 865950), (36, 721625), (45, 577300), (46, 564750), (50, 519570), (60, 432975), (69, 376500), (75, 346380), (90, 288650), (92, 282375), (100, 259785), (115, 225900), (125, 207828), (138, 188250), (150, 173190), (180, 144325), (207, 125500), (225, 115460), (230, 112950), (250, 103914), (251, 103500), (276, 94125), (300, 86595), (345, 75300), (375, 69276), (414, 62750), (450, 57730), (460, 56475), (500, 51957), (502, 51750), (575, 45180), (690, 37650), (750, 34638), (753, 34500), (828, 31375), (900, 28865), (1004, 25875), (1035, 25100), (1125, 23092), (1150, 22590), (1255, 20700), (1380, 18825), (1500, 17319), (1506, 17250), (1725, 15060), (2070, 12550), (2250, 11546), (2259, 11500), (2300, 11295), (2510, 10350), (2875, 9036), (3012, 8625), (3450, 7530), (3765, 6900), (4140, 6275), (4500, 5773), (4518, 5750), (5020, 5175)]