72711100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 213736320

約数和(自身を除く): 141025220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 49, 50, 55, 70, 71, 76, 77, 95, 98, 100, 110, 133, 140, 142, 154, 175, 190, 196, 209, 220, 245, 266, 275, 284, 308, 350, 355, 380, 385, 418, 475, 490, 497, 532, 539, 550, 665, 700, 710, 770, 781, 836, 931, 950, 980, 994, 1045, 1078, 1100, 1225, 1330, 1349, 1420, 1463, 1540, 1562, 1775, 1862, 1900, 1925, 1988, 2090, 2156, 2450, 2485, 2660, 2695, 2698, 2926, 3124, 3325, 3479, 3550, 3724, 3850, 3905, 4180, 4655, 4900, 4970, 5225, 5390, 5396, 5467, 5852, 6650, 6745, 6958, 7100, 7315, 7700, 7810, 9310, 9443, 9940, 10241, 10450, 10780, 10934, 12425, 13300, 13475, 13490, 13916, 14630, 14839, 15620, 17395, 18620, 18886, 19525, 20482, 20900, 21868, 23275, 24850, 26950, 26980, 27335, 29260, 29678, 33725, 34790, 36575, 37772, 38269, 39050, 40964, 46550, 47215, 49700, 51205, 53900, 54670, 59356, 66101, 67450, 69580, 73150, 74195, 76538, 78100, 86975, 93100, 94430, 102410, 103873, 109340, 132202, 134900, 136675, 146300, 148390, 153076, 173950, 188860, 191345, 204820, 207746, 236075, 256025, 264404, 273350, 296780, 330505, 347900, 370975, 382690, 415492, 472150, 512050, 519365, 546700, 661010, 727111, 741950, 765380, 944300, 956725, 1024100, 1038730, 1322020, 1454222, 1483900, 1652525, 1913450, 2077460, 2596825, 2908444, 3305050, 3635555, 3826900, 5193650, 6610100, 7271110, 10387300, 14542220, 18177775, 36355550, 72711100]

約数ペア:

[(1, 72711100), (2, 36355550), (4, 18177775), (5, 14542220), (7, 10387300), (10, 7271110), (11, 6610100), (14, 5193650), (19, 3826900), (20, 3635555), (22, 3305050), (25, 2908444), (28, 2596825), (35, 2077460), (38, 1913450), (44, 1652525), (49, 1483900), (50, 1454222), (55, 1322020), (70, 1038730), (71, 1024100), (76, 956725), (77, 944300), (95, 765380), (98, 741950), (100, 727111), (110, 661010), (133, 546700), (140, 519365), (142, 512050), (154, 472150), (175, 415492), (190, 382690), (196, 370975), (209, 347900), (220, 330505), (245, 296780), (266, 273350), (275, 264404), (284, 256025), (308, 236075), (350, 207746), (355, 204820), (380, 191345), (385, 188860), (418, 173950), (475, 153076), (490, 148390), (497, 146300), (532, 136675), (539, 134900), (550, 132202), (665, 109340), (700, 103873), (710, 102410), (770, 94430), (781, 93100), (836, 86975), (931, 78100), (950, 76538), (980, 74195), (994, 73150), (1045, 69580), (1078, 67450), (1100, 66101), (1225, 59356), (1330, 54670), (1349, 53900), (1420, 51205), (1463, 49700), (1540, 47215), (1562, 46550), (1775, 40964), (1862, 39050), (1900, 38269), (1925, 37772), (1988, 36575), (2090, 34790), (2156, 33725), (2450, 29678), (2485, 29260), (2660, 27335), (2695, 26980), (2698, 26950), (2926, 24850), (3124, 23275), (3325, 21868), (3479, 20900), (3550, 20482), (3724, 19525), (3850, 18886), (3905, 18620), (4180, 17395), (4655, 15620), (4900, 14839), (4970, 14630), (5225, 13916), (5390, 13490), (5396, 13475), (5467, 13300), (5852, 12425), (6650, 10934), (6745, 10780), (6958, 10450), (7100, 10241), (7315, 9940), (7700, 9443), (7810, 9310)]