4198583425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 5820460800

約数和(自身を除く): 1621877375

約数列:

[1, 5, 19, 25, 31, 43, 95, 155, 215, 349, 361, 475, 589, 775, 817, 1075, 1333, 1745, 1805, 2945, 4085, 6631, 6665, 8725, 9025, 10819, 11191, 14725, 15007, 15523, 20425, 25327, 33155, 33325, 54095, 55955, 75035, 77615, 125989, 126635, 165775, 205561, 270475, 279775, 285133, 375175, 388075, 465217, 481213, 629945, 633175, 1027805, 1425665, 2326085, 2406065, 3149725, 3905659, 5139025, 5417527, 7128325, 8839123, 11630425, 12030325, 19528295, 27087635, 44195615, 97641475, 135438175, 167943337, 220978075, 839716685, 4198583425]

約数ペア:

[(1, 4198583425), (5, 839716685), (19, 220978075), (25, 167943337), (31, 135438175), (43, 97641475), (95, 44195615), (155, 27087635), (215, 19528295), (349, 12030325), (361, 11630425), (475, 8839123), (589, 7128325), (775, 5417527), (817, 5139025), (1075, 3905659), (1333, 3149725), (1745, 2406065), (1805, 2326085), (2945, 1425665), (4085, 1027805), (6631, 633175), (6665, 629945), (8725, 481213), (9025, 465217), (10819, 388075), (11191, 375175), (14725, 285133), (15007, 279775), (15523, 270475), (20425, 205561), (25327, 165775), (33155, 126635), (33325, 125989), (54095, 77615), (55955, 75035)]