78997600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 215986176

約数和(自身を除く): 136988576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 47, 50, 55, 80, 88, 94, 100, 110, 160, 176, 188, 191, 200, 220, 235, 275, 352, 376, 382, 400, 440, 470, 517, 550, 752, 764, 800, 880, 940, 955, 1034, 1100, 1175, 1504, 1528, 1760, 1880, 1910, 2068, 2101, 2200, 2350, 2585, 3056, 3760, 3820, 4136, 4202, 4400, 4700, 4775, 5170, 6112, 7520, 7640, 8272, 8404, 8800, 8977, 9400, 9550, 10340, 10505, 12925, 15280, 16544, 16808, 17954, 18800, 19100, 20680, 21010, 25850, 30560, 33616, 35908, 37600, 38200, 41360, 42020, 44885, 51700, 52525, 67232, 71816, 76400, 82720, 84040, 89770, 98747, 103400, 105050, 143632, 152800, 168080, 179540, 197494, 206800, 210100, 224425, 287264, 336160, 359080, 394988, 413600, 420200, 448850, 493735, 718160, 789976, 840400, 897700, 987470, 1436320, 1579952, 1680800, 1795400, 1974940, 2468675, 3159904, 3590800, 3949880, 4937350, 7181600, 7899760, 9874700, 15799520, 19749400, 39498800, 78997600]

約数ペア:

[(1, 78997600), (2, 39498800), (4, 19749400), (5, 15799520), (8, 9874700), (10, 7899760), (11, 7181600), (16, 4937350), (20, 3949880), (22, 3590800), (25, 3159904), (32, 2468675), (40, 1974940), (44, 1795400), (47, 1680800), (50, 1579952), (55, 1436320), (80, 987470), (88, 897700), (94, 840400), (100, 789976), (110, 718160), (160, 493735), (176, 448850), (188, 420200), (191, 413600), (200, 394988), (220, 359080), (235, 336160), (275, 287264), (352, 224425), (376, 210100), (382, 206800), (400, 197494), (440, 179540), (470, 168080), (517, 152800), (550, 143632), (752, 105050), (764, 103400), (800, 98747), (880, 89770), (940, 84040), (955, 82720), (1034, 76400), (1100, 71816), (1175, 67232), (1504, 52525), (1528, 51700), (1760, 44885), (1880, 42020), (1910, 41360), (2068, 38200), (2101, 37600), (2200, 35908), (2350, 33616), (2585, 30560), (3056, 25850), (3760, 21010), (3820, 20680), (4136, 19100), (4202, 18800), (4400, 17954), (4700, 16808), (4775, 16544), (5170, 15280), (6112, 12925), (7520, 10505), (7640, 10340), (8272, 9550), (8404, 9400), (8800, 8977)]