291209068780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181967}}^1$

素因数の和:182084

約数の個数: 144

約数和(自身を含む): 752771045376

約数和(自身を除く): 461561976596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 71, 92, 98, 115, 140, 142, 161, 196, 230, 245, 284, 322, 355, 460, 490, 497, 644, 710, 805, 980, 994, 1127, 1420, 1610, 1633, 1988, 2254, 2485, 3220, 3266, 3479, 4508, 4970, 5635, 6532, 6958, 8165, 9940, 11270, 11431, 13916, 16330, 17395, 22540, 22862, 32660, 34790, 45724, 57155, 69580, 80017, 114310, 160034, 181967, 228620, 320068, 363934, 400085, 727868, 800170, 909835, 1273769, 1600340, 1819670, 2547538, 3639340, 4185241, 5095076, 6368845, 8370482, 8916383, 12737690, 12919657, 16740964, 17832766, 20926205, 25475380, 25839314, 29296687, 35665532, 41852410, 44581915, 51678628, 58593374, 64598285, 83704820, 89163830, 90437599, 117186748, 129196570, 146483435, 178327660, 180875198, 205076809, 258393140, 292966870, 297152111, 361750396, 410153618, 452187995, 585933740, 594304222, 633063193, 820307236, 904375990, 1025384045, 1188608444, 1266126386, 1485760555, 1808751980, 2050768090, 2080064777, 2532252772, 2971521110, 3165315965, 4101536180, 4160129554, 5943042220, 6330631930, 8320259108, 10400323885, 12661263860, 14560453439, 20800647770, 29120906878, 41601295540, 58241813756, 72802267195, 145604534390, 291209068780]

約数ペア:

[(1, 291209068780), (2, 145604534390), (4, 72802267195), (5, 58241813756), (7, 41601295540), (10, 29120906878), (14, 20800647770), (20, 14560453439), (23, 12661263860), (28, 10400323885), (35, 8320259108), (46, 6330631930), (49, 5943042220), (70, 4160129554), (71, 4101536180), (92, 3165315965), (98, 2971521110), (115, 2532252772), (140, 2080064777), (142, 2050768090), (161, 1808751980), (196, 1485760555), (230, 1266126386), (245, 1188608444), (284, 1025384045), (322, 904375990), (355, 820307236), (460, 633063193), (490, 594304222), (497, 585933740), (644, 452187995), (710, 410153618), (805, 361750396), (980, 297152111), (994, 292966870), (1127, 258393140), (1420, 205076809), (1610, 180875198), (1633, 178327660), (1988, 146483435), (2254, 129196570), (2485, 117186748), (3220, 90437599), (3266, 89163830), (3479, 83704820), (4508, 64598285), (4970, 58593374), (5635, 51678628), (6532, 44581915), (6958, 41852410), (8165, 35665532), (9940, 29296687), (11270, 25839314), (11431, 25475380), (13916, 20926205), (16330, 17832766), (17395, 16740964), (22540, 12919657), (22862, 12737690), (32660, 8916383), (34790, 8370482), (45724, 6368845), (57155, 5095076), (69580, 4185241), (80017, 3639340), (114310, 2547538), (160034, 1819670), (181967, 1600340), (228620, 1273769), (320068, 909835), (363934, 800170), (400085, 727868)]