890390725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5647}}^1$

素因数の和:5734

約数の個数: 48

約数和(自身を含む): 1361484288

約数和(自身を除く): 471093563

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 175, 265, 371, 425, 595, 901, 1325, 1855, 2975, 4505, 5647, 6307, 9275, 22525, 28235, 31535, 39529, 95999, 141175, 157675, 197645, 299291, 479995, 671993, 988225, 1496455, 2095037, 2399975, 3359965, 5087947, 7482275, 10475185, 16799825, 25439735, 35615629, 52375925, 127198675, 178078145, 890390725]

約数ペア:

[(1, 890390725), (5, 178078145), (7, 127198675), (17, 52375925), (25, 35615629), (35, 25439735), (53, 16799825), (85, 10475185), (119, 7482275), (175, 5087947), (265, 3359965), (371, 2399975), (425, 2095037), (595, 1496455), (901, 988225), (1325, 671993), (1855, 479995), (2975, 299291), (4505, 197645), (5647, 157675), (6307, 141175), (9275, 95999), (22525, 39529), (28235, 31535)]