636762820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{3083}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 1398902400

約数和(自身を除く): 762139580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 449, 460, 898, 1796, 2245, 3083, 4490, 6166, 8980, 10327, 12332, 15415, 20654, 30830, 41308, 51635, 61660, 70909, 103270, 141818, 206540, 283636, 354545, 709090, 1384267, 1418180, 2768534, 5537068, 6921335, 13842670, 27685340, 31838141, 63676282, 127352564, 159190705, 318381410, 636762820]

約数ペア:

[(1, 636762820), (2, 318381410), (4, 159190705), (5, 127352564), (10, 63676282), (20, 31838141), (23, 27685340), (46, 13842670), (92, 6921335), (115, 5537068), (230, 2768534), (449, 1418180), (460, 1384267), (898, 709090), (1796, 354545), (2245, 283636), (3083, 206540), (4490, 141818), (6166, 103270), (8980, 70909), (10327, 61660), (12332, 51635), (15415, 41308), (20654, 30830)]