128900800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 168

約数和(自身を含む): 384377184

約数和(自身を除く): 255476384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 112, 119, 136, 140, 160, 170, 175, 200, 224, 238, 272, 280, 320, 340, 350, 400, 425, 448, 476, 544, 560, 595, 677, 680, 700, 800, 850, 952, 1088, 1120, 1190, 1354, 1360, 1400, 1600, 1700, 1904, 2240, 2380, 2708, 2720, 2800, 2975, 3385, 3400, 3808, 4739, 4760, 5416, 5440, 5600, 5950, 6770, 6800, 7616, 9478, 9520, 10832, 11200, 11509, 11900, 13540, 13600, 16925, 18956, 19040, 21664, 23018, 23695, 23800, 27080, 27200, 33850, 37912, 38080, 43328, 46036, 47390, 47600, 54160, 57545, 67700, 75824, 80563, 92072, 94780, 95200, 108320, 115090, 118475, 135400, 151648, 161126, 184144, 189560, 190400, 216640, 230180, 236950, 270800, 287725, 303296, 322252, 368288, 379120, 402815, 460360, 473900, 541600, 575450, 644504, 736576, 758240, 805630, 920720, 947800, 1083200, 1150900, 1289008, 1516480, 1611260, 1841440, 1895600, 2014075, 2301800, 2578016, 3222520, 3682880, 3791200, 4028150, 4603600, 5156032, 6445040, 7582400, 8056300, 9207200, 12890080, 16112600, 18414400, 25780160, 32225200, 64450400, 128900800]

約数ペア:

[(1, 128900800), (2, 64450400), (4, 32225200), (5, 25780160), (7, 18414400), (8, 16112600), (10, 12890080), (14, 9207200), (16, 8056300), (17, 7582400), (20, 6445040), (25, 5156032), (28, 4603600), (32, 4028150), (34, 3791200), (35, 3682880), (40, 3222520), (50, 2578016), (56, 2301800), (64, 2014075), (68, 1895600), (70, 1841440), (80, 1611260), (85, 1516480), (100, 1289008), (112, 1150900), (119, 1083200), (136, 947800), (140, 920720), (160, 805630), (170, 758240), (175, 736576), (200, 644504), (224, 575450), (238, 541600), (272, 473900), (280, 460360), (320, 402815), (340, 379120), (350, 368288), (400, 322252), (425, 303296), (448, 287725), (476, 270800), (544, 236950), (560, 230180), (595, 216640), (677, 190400), (680, 189560), (700, 184144), (800, 161126), (850, 151648), (952, 135400), (1088, 118475), (1120, 115090), (1190, 108320), (1354, 95200), (1360, 94780), (1400, 92072), (1600, 80563), (1700, 75824), (1904, 67700), (2240, 57545), (2380, 54160), (2708, 47600), (2720, 47390), (2800, 46036), (2975, 43328), (3385, 38080), (3400, 37912), (3808, 33850), (4739, 27200), (4760, 27080), (5416, 23800), (5440, 23695), (5600, 23018), (5950, 21664), (6770, 19040), (6800, 18956), (7616, 16925), (9478, 13600), (9520, 13540), (10832, 11900), (11200, 11509)]