208040800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 566963712

約数和(自身を除く): 358922912

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, 200, 220, 235, 275, 352, 376, 400, 440, 470, 503, 517, 550, 752, 800, 880, 940, 1006, 1034, 1100, 1175, 1504, 1760, 1880, 2012, 2068, 2200, 2350, 2515, 2585, 3760, 4024, 4136, 4400, 4700, 5030, 5170, 5533, 7520, 8048, 8272, 8800, 9400, 10060, 10340, 11066, 12575, 12925, 16096, 16544, 18800, 20120, 20680, 22132, 23641, 25150, 25850, 27665, 37600, 40240, 41360, 44264, 47282, 50300, 51700, 55330, 80480, 82720, 88528, 94564, 100600, 103400, 110660, 118205, 138325, 177056, 189128, 201200, 206800, 221320, 236410, 260051, 276650, 378256, 402400, 413600, 442640, 472820, 520102, 553300, 591025, 756512, 885280, 945640, 1040204, 1106600, 1182050, 1300255, 1891280, 2080408, 2213200, 2364100, 2600510, 3782560, 4160816, 4426400, 4728200, 5201020, 6501275, 8321632, 9456400, 10402040, 13002550, 18912800, 20804080, 26005100, 41608160, 52010200, 104020400, 208040800]

約数ペア:

[(1, 208040800), (2, 104020400), (4, 52010200), (5, 41608160), (8, 26005100), (10, 20804080), (11, 18912800), (16, 13002550), (20, 10402040), (22, 9456400), (25, 8321632), (32, 6501275), (40, 5201020), (44, 4728200), (47, 4426400), (50, 4160816), (55, 3782560), (80, 2600510), (88, 2364100), (94, 2213200), (100, 2080408), (110, 1891280), (160, 1300255), (176, 1182050), (188, 1106600), (200, 1040204), (220, 945640), (235, 885280), (275, 756512), (352, 591025), (376, 553300), (400, 520102), (440, 472820), (470, 442640), (503, 413600), (517, 402400), (550, 378256), (752, 276650), (800, 260051), (880, 236410), (940, 221320), (1006, 206800), (1034, 201200), (1100, 189128), (1175, 177056), (1504, 138325), (1760, 118205), (1880, 110660), (2012, 103400), (2068, 100600), (2200, 94564), (2350, 88528), (2515, 82720), (2585, 80480), (3760, 55330), (4024, 51700), (4136, 50300), (4400, 47282), (4700, 44264), (5030, 41360), (5170, 40240), (5533, 37600), (7520, 27665), (8048, 25850), (8272, 25150), (8800, 23641), (9400, 22132), (10060, 20680), (10340, 20120), (11066, 18800), (12575, 16544), (12925, 16096)]