205746020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1217}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 441987840

約数和(自身を除く): 236241820

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 395, 428, 535, 790, 1070, 1217, 1580, 2140, 2434, 4868, 6085, 8453, 12170, 16906, 24340, 33812, 42265, 84530, 96143, 130219, 169060, 192286, 260438, 384572, 480715, 520876, 651095, 961430, 1302190, 1922860, 2604380, 10287301, 20574602, 41149204, 51436505, 102873010, 205746020]

約数ペア:

[(1, 205746020), (2, 102873010), (4, 51436505), (5, 41149204), (10, 20574602), (20, 10287301), (79, 2604380), (107, 1922860), (158, 1302190), (214, 961430), (316, 651095), (395, 520876), (428, 480715), (535, 384572), (790, 260438), (1070, 192286), (1217, 169060), (1580, 130219), (2140, 96143), (2434, 84530), (4868, 42265), (6085, 33812), (8453, 24340), (12170, 16906)]