248178800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 625126656

約数和(自身を除く): 376947856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 47, 50, 80, 86, 94, 100, 172, 188, 200, 215, 235, 307, 344, 376, 400, 430, 470, 614, 688, 752, 860, 940, 1075, 1175, 1228, 1535, 1720, 1880, 2021, 2150, 2350, 2456, 3070, 3440, 3760, 4042, 4300, 4700, 4912, 6140, 7675, 8084, 8600, 9400, 10105, 12280, 13201, 14429, 15350, 16168, 17200, 18800, 20210, 24560, 26402, 28858, 30700, 32336, 40420, 50525, 52804, 57716, 61400, 66005, 72145, 80840, 101050, 105608, 115432, 122800, 132010, 144290, 161680, 202100, 211216, 230864, 264020, 288580, 330025, 360725, 404200, 528040, 577160, 620447, 660050, 721450, 808400, 1056080, 1154320, 1240894, 1320100, 1442900, 2481788, 2640200, 2885800, 3102235, 4963576, 5280400, 5771600, 6204470, 9927152, 12408940, 15511175, 24817880, 31022350, 49635760, 62044700, 124089400, 248178800]

約数ペア:

[(1, 248178800), (2, 124089400), (4, 62044700), (5, 49635760), (8, 31022350), (10, 24817880), (16, 15511175), (20, 12408940), (25, 9927152), (40, 6204470), (43, 5771600), (47, 5280400), (50, 4963576), (80, 3102235), (86, 2885800), (94, 2640200), (100, 2481788), (172, 1442900), (188, 1320100), (200, 1240894), (215, 1154320), (235, 1056080), (307, 808400), (344, 721450), (376, 660050), (400, 620447), (430, 577160), (470, 528040), (614, 404200), (688, 360725), (752, 330025), (860, 288580), (940, 264020), (1075, 230864), (1175, 211216), (1228, 202100), (1535, 161680), (1720, 144290), (1880, 132010), (2021, 122800), (2150, 115432), (2350, 105608), (2456, 101050), (3070, 80840), (3440, 72145), (3760, 66005), (4042, 61400), (4300, 57716), (4700, 52804), (4912, 50525), (6140, 40420), (7675, 32336), (8084, 30700), (8600, 28858), (9400, 26402), (10105, 24560), (12280, 20210), (13201, 18800), (14429, 17200), (15350, 16168)]