90220075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 132848640

約数和(自身を除く): 42628565

約数列:

[1, 5, 11, 19, 25, 31, 55, 95, 155, 209, 275, 341, 475, 557, 589, 775, 1045, 1705, 2785, 2945, 5225, 6127, 6479, 8525, 10583, 13925, 14725, 17267, 30635, 32395, 52915, 86335, 116413, 153175, 161975, 189937, 264575, 328073, 431675, 582065, 949685, 1640365, 2910325, 3608803, 4748425, 8201825, 18044015, 90220075]

約数ペア:

[(1, 90220075), (5, 18044015), (11, 8201825), (19, 4748425), (25, 3608803), (31, 2910325), (55, 1640365), (95, 949685), (155, 582065), (209, 431675), (275, 328073), (341, 264575), (475, 189937), (557, 161975), (589, 153175), (775, 116413), (1045, 86335), (1705, 52915), (2785, 32395), (2945, 30635), (5225, 17267), (6127, 14725), (6479, 13925), (8525, 10583)]