2540516125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 4124390400

約数和(自身を除く): 1583874275

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 89, 95, 101, 119, 125, 133, 175, 323, 425, 445, 475, 505, 595, 623, 665, 707, 875, 1513, 1615, 1691, 1717, 1919, 2125, 2225, 2261, 2375, 2525, 2975, 3115, 3325, 3535, 7565, 8075, 8455, 8585, 8989, 9595, 10591, 11125, 11305, 11837, 12019, 12625, 13433, 14875, 15575, 16625, 17675, 28747, 32623, 37825, 40375, 42275, 42925, 44945, 47975, 52955, 56525, 59185, 60095, 62923, 67165, 77875, 88375, 143735, 152813, 163115, 170791, 189125, 201229, 211375, 214625, 224725, 228361, 239875, 264775, 282625, 295925, 300475, 314615, 335825, 718675, 764065, 815575, 853955, 1006145, 1069691, 1123625, 1141805, 1195537, 1323875, 1479625, 1502375, 1573075, 1679125, 2903447, 3593375, 3820325, 4077875, 4269775, 5030725, 5348455, 5709025, 5977685, 7865375, 14517235, 19101625, 20324129, 21348875, 25153625, 26742275, 28545125, 29888425, 72586175, 101620645, 133711375, 149442125, 362930875, 508103225, 2540516125]

約数ペア:

[(1, 2540516125), (5, 508103225), (7, 362930875), (17, 149442125), (19, 133711375), (25, 101620645), (35, 72586175), (85, 29888425), (89, 28545125), (95, 26742275), (101, 25153625), (119, 21348875), (125, 20324129), (133, 19101625), (175, 14517235), (323, 7865375), (425, 5977685), (445, 5709025), (475, 5348455), (505, 5030725), (595, 4269775), (623, 4077875), (665, 3820325), (707, 3593375), (875, 2903447), (1513, 1679125), (1615, 1573075), (1691, 1502375), (1717, 1479625), (1919, 1323875), (2125, 1195537), (2225, 1141805), (2261, 1123625), (2375, 1069691), (2525, 1006145), (2975, 853955), (3115, 815575), (3325, 764065), (3535, 718675), (7565, 335825), (8075, 314615), (8455, 300475), (8585, 295925), (8989, 282625), (9595, 264775), (10591, 239875), (11125, 228361), (11305, 224725), (11837, 214625), (12019, 211375), (12625, 201229), (13433, 189125), (14875, 170791), (15575, 163115), (16625, 152813), (17675, 143735), (28747, 88375), (32623, 77875), (37825, 67165), (40375, 62923), (42275, 60095), (42925, 59185), (44945, 56525), (47975, 52955)]