160787000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 420526080

約数和(自身を除く): 259739080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 100, 110, 125, 188, 200, 220, 235, 250, 275, 311, 376, 440, 470, 500, 517, 550, 622, 940, 1000, 1034, 1100, 1175, 1244, 1375, 1555, 1880, 2068, 2200, 2350, 2488, 2585, 2750, 3110, 3421, 4136, 4700, 5170, 5500, 5875, 6220, 6842, 7775, 9400, 10340, 11000, 11750, 12440, 12925, 13684, 14617, 15550, 17105, 20680, 23500, 25850, 27368, 29234, 31100, 34210, 38875, 47000, 51700, 58468, 62200, 64625, 68420, 73085, 77750, 85525, 103400, 116936, 129250, 136840, 146170, 155500, 160787, 171050, 258500, 292340, 311000, 321574, 342100, 365425, 427625, 517000, 584680, 643148, 684200, 730850, 803935, 855250, 1286296, 1461700, 1607870, 1710500, 1827125, 2923400, 3215740, 3421000, 3654250, 4019675, 6431480, 7308500, 8039350, 14617000, 16078700, 20098375, 32157400, 40196750, 80393500, 160787000]

約数ペア:

[(1, 160787000), (2, 80393500), (4, 40196750), (5, 32157400), (8, 20098375), (10, 16078700), (11, 14617000), (20, 8039350), (22, 7308500), (25, 6431480), (40, 4019675), (44, 3654250), (47, 3421000), (50, 3215740), (55, 2923400), (88, 1827125), (94, 1710500), (100, 1607870), (110, 1461700), (125, 1286296), (188, 855250), (200, 803935), (220, 730850), (235, 684200), (250, 643148), (275, 584680), (311, 517000), (376, 427625), (440, 365425), (470, 342100), (500, 321574), (517, 311000), (550, 292340), (622, 258500), (940, 171050), (1000, 160787), (1034, 155500), (1100, 146170), (1175, 136840), (1244, 129250), (1375, 116936), (1555, 103400), (1880, 85525), (2068, 77750), (2200, 73085), (2350, 68420), (2488, 64625), (2585, 62200), (2750, 58468), (3110, 51700), (3421, 47000), (4136, 38875), (4700, 34210), (5170, 31100), (5500, 29234), (5875, 27368), (6220, 25850), (6842, 23500), (7775, 20680), (9400, 17105), (10340, 15550), (11000, 14617), (11750, 13684), (12440, 12925)]