201217480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^2$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 458182620

約数和(自身を除く): 256965140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 179, 314, 358, 628, 716, 785, 895, 1256, 1432, 1570, 1790, 3140, 3580, 6280, 7160, 28103, 32041, 56206, 64082, 112412, 128164, 140515, 160205, 224824, 256328, 281030, 320410, 562060, 640820, 1124120, 1281640, 5030437, 10060874, 20121748, 25152185, 40243496, 50304370, 100608740, 201217480]

約数ペア:

[(1, 201217480), (2, 100608740), (4, 50304370), (5, 40243496), (8, 25152185), (10, 20121748), (20, 10060874), (40, 5030437), (157, 1281640), (179, 1124120), (314, 640820), (358, 562060), (628, 320410), (716, 281030), (785, 256328), (895, 224824), (1256, 160205), (1432, 140515), (1570, 128164), (1790, 112412), (3140, 64082), (3580, 56206), (6280, 32041), (7160, 28103)]