104020400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 120

約数和(自身を含む): 278982144

約数和(自身を除く): 174961744

約数列:

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

約数ペア:

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