420747124

素因数分解:

$2^2\times 7^3\times {\mathrm{449}}^1\times {\mathrm{683}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 861840000

約数和(自身を除く): 441092876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 449, 683, 686, 898, 1366, 1372, 1796, 2732, 3143, 4781, 6286, 9562, 12572, 19124, 22001, 33467, 44002, 66934, 88004, 133868, 154007, 234269, 306667, 308014, 468538, 613334, 616028, 937076, 1226668, 2146669, 4293338, 8586676, 15026683, 30053366, 60106732, 105186781, 210373562, 420747124]

約数ペア:

[(1, 420747124), (2, 210373562), (4, 105186781), (7, 60106732), (14, 30053366), (28, 15026683), (49, 8586676), (98, 4293338), (196, 2146669), (343, 1226668), (449, 937076), (683, 616028), (686, 613334), (898, 468538), (1366, 308014), (1372, 306667), (1796, 234269), (2732, 154007), (3143, 133868), (4781, 88004), (6286, 66934), (9562, 44002), (12572, 33467), (19124, 22001)]