222786305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 115625215

約数列:

[1, 5, 7, 19, 31, 35, 95, 101, 107, 133, 155, 217, 505, 535, 589, 665, 707, 749, 1085, 1919, 2033, 2945, 3131, 3317, 3535, 3745, 4123, 9595, 10165, 10807, 13433, 14231, 15655, 16585, 20615, 21917, 23219, 54035, 59489, 63023, 67165, 71155, 75649, 109585, 116095, 205333, 297445, 315115, 335017, 378245, 416423, 441161, 1026665, 1437331, 1675085, 2082115, 2205805, 2345119, 6365323, 7186655, 11725595, 31826615, 44557261, 222786305]

約数ペア:

[(1, 222786305), (5, 44557261), (7, 31826615), (19, 11725595), (31, 7186655), (35, 6365323), (95, 2345119), (101, 2205805), (107, 2082115), (133, 1675085), (155, 1437331), (217, 1026665), (505, 441161), (535, 416423), (589, 378245), (665, 335017), (707, 315115), (749, 297445), (1085, 205333), (1919, 116095), (2033, 109585), (2945, 75649), (3131, 71155), (3317, 67165), (3535, 63023), (3745, 59489), (4123, 54035), (9595, 23219), (10165, 21917), (10807, 20615), (13433, 16585), (14231, 15655)]