202399580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 438721920

約数和(自身を除く): 236322340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 1060, 1580, 2417, 4187, 4834, 8374, 9668, 12085, 16748, 20935, 24170, 41870, 48340, 83740, 128101, 190943, 256202, 381886, 512404, 640505, 763772, 954715, 1281010, 1909430, 2562020, 3818860, 10119979, 20239958, 40479916, 50599895, 101199790, 202399580]

約数ペア:

[(1, 202399580), (2, 101199790), (4, 50599895), (5, 40479916), (10, 20239958), (20, 10119979), (53, 3818860), (79, 2562020), (106, 1909430), (158, 1281010), (212, 954715), (265, 763772), (316, 640505), (395, 512404), (530, 381886), (790, 256202), (1060, 190943), (1580, 128101), (2417, 83740), (4187, 48340), (4834, 41870), (8374, 24170), (9668, 20935), (12085, 16748)]