28962020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 33695260

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 146, 166, 239, 292, 332, 365, 415, 478, 730, 830, 956, 1195, 1460, 1660, 2390, 4780, 6059, 12118, 17447, 19837, 24236, 30295, 34894, 39674, 60590, 69788, 79348, 87235, 99185, 121180, 174470, 198370, 348940, 396740, 1448101, 2896202, 5792404, 7240505, 14481010, 28962020]

約数ペア:

[(1, 28962020), (2, 14481010), (4, 7240505), (5, 5792404), (10, 2896202), (20, 1448101), (73, 396740), (83, 348940), (146, 198370), (166, 174470), (239, 121180), (292, 99185), (332, 87235), (365, 79348), (415, 69788), (478, 60590), (730, 39674), (830, 34894), (956, 30295), (1195, 24236), (1460, 19837), (1660, 17447), (2390, 12118), (4780, 6059)]