28170860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 63092736

約数和(自身を除く): 34921876

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1303, 2162, 2606, 4324, 5212, 5405, 6515, 10810, 13030, 21620, 26060, 29969, 59938, 61241, 119876, 122482, 149845, 244964, 299690, 306205, 599380, 612410, 1224820, 1408543, 2817086, 5634172, 7042715, 14085430, 28170860]

約数ペア:

[(1, 28170860), (2, 14085430), (4, 7042715), (5, 5634172), (10, 2817086), (20, 1408543), (23, 1224820), (46, 612410), (47, 599380), (92, 306205), (94, 299690), (115, 244964), (188, 149845), (230, 122482), (235, 119876), (460, 61241), (470, 59938), (940, 29969), (1081, 26060), (1303, 21620), (2162, 13030), (2606, 10810), (4324, 6515), (5212, 5405)]