55780550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 119322720

約数和(自身を除く): 63542170

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 350, 394, 809, 985, 1379, 1618, 1970, 2758, 4045, 4925, 5663, 6895, 8090, 9850, 11326, 13790, 20225, 28315, 34475, 40450, 56630, 68950, 141575, 159373, 283150, 318746, 796865, 1115611, 1593730, 2231222, 3984325, 5578055, 7968650, 11156110, 27890275, 55780550]

約数ペア:

[(1, 55780550), (2, 27890275), (5, 11156110), (7, 7968650), (10, 5578055), (14, 3984325), (25, 2231222), (35, 1593730), (50, 1115611), (70, 796865), (175, 318746), (197, 283150), (350, 159373), (394, 141575), (809, 68950), (985, 56630), (1379, 40450), (1618, 34475), (1970, 28315), (2758, 20225), (4045, 13790), (4925, 11326), (5663, 9850), (6895, 8090)]