201711280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 483969024

約数和(自身を除く): 282257744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 191, 215, 307, 344, 382, 430, 614, 688, 764, 860, 955, 1228, 1528, 1535, 1720, 1910, 2456, 3056, 3070, 3440, 3820, 4912, 6140, 7640, 8213, 12280, 13201, 15280, 16426, 24560, 26402, 32852, 41065, 52804, 58637, 65704, 66005, 82130, 105608, 117274, 131408, 132010, 164260, 211216, 234548, 264020, 293185, 328520, 469096, 528040, 586370, 657040, 938192, 1056080, 1172740, 2345480, 2521391, 4690960, 5042782, 10085564, 12606955, 20171128, 25213910, 40342256, 50427820, 100855640, 201711280]

約数ペア:

[(1, 201711280), (2, 100855640), (4, 50427820), (5, 40342256), (8, 25213910), (10, 20171128), (16, 12606955), (20, 10085564), (40, 5042782), (43, 4690960), (80, 2521391), (86, 2345480), (172, 1172740), (191, 1056080), (215, 938192), (307, 657040), (344, 586370), (382, 528040), (430, 469096), (614, 328520), (688, 293185), (764, 264020), (860, 234548), (955, 211216), (1228, 164260), (1528, 132010), (1535, 131408), (1720, 117274), (1910, 105608), (2456, 82130), (3056, 66005), (3070, 65704), (3440, 58637), (3820, 52804), (4912, 41065), (6140, 32852), (7640, 26402), (8213, 24560), (12280, 16426), (13201, 15280)]