340890880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 939520512

約数和(自身を除く): 598629632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 121, 124, 128, 142, 155, 160, 176, 220, 242, 248, 256, 284, 310, 320, 341, 352, 355, 440, 484, 496, 568, 605, 620, 640, 682, 704, 710, 781, 880, 968, 992, 1136, 1210, 1240, 1280, 1364, 1408, 1420, 1562, 1705, 1760, 1936, 1984, 2201, 2272, 2420, 2480, 2728, 2816, 2840, 3124, 3410, 3520, 3751, 3872, 3905, 3968, 4402, 4544, 4840, 4960, 5456, 5680, 6248, 6820, 7040, 7502, 7744, 7810, 7936, 8591, 8804, 9088, 9680, 9920, 10912, 11005, 11360, 12496, 13640, 14080, 15004, 15488, 15620, 17182, 17608, 18176, 18755, 19360, 19840, 21824, 22010, 22720, 24211, 24992, 27280, 30008, 30976, 31240, 34364, 35216, 37510, 38720, 39680, 42955, 43648, 44020, 45440, 48422, 49984, 54560, 60016, 62480, 68728, 70432, 75020, 77440, 85910, 87296, 88040, 90880, 96844, 99968, 109120, 120032, 121055, 124960, 137456, 140864, 150040, 154880, 171820, 176080, 193688, 199936, 218240, 240064, 242110, 249920, 266321, 274912, 281728, 300080, 343640, 352160, 387376, 436480, 480128, 484220, 499840, 532642, 549824, 563456, 600160, 687280, 704320, 774752, 960256, 968440, 999680, 1065284, 1099648, 1200320, 1331605, 1374560, 1408640, 1549504, 1936880, 2130568, 2199296, 2400640, 2663210, 2749120, 2817280, 3099008, 3873760, 4261136, 4801280, 5326420, 5498240, 6198016, 7747520, 8522272, 10652840, 10996480, 15495040, 17044544, 21305680, 30990080, 34089088, 42611360, 68178176, 85222720, 170445440, 340890880]

約数ペア:

[(1, 340890880), (2, 170445440), (4, 85222720), (5, 68178176), (8, 42611360), (10, 34089088), (11, 30990080), (16, 21305680), (20, 17044544), (22, 15495040), (31, 10996480), (32, 10652840), (40, 8522272), (44, 7747520), (55, 6198016), (62, 5498240), (64, 5326420), (71, 4801280), (80, 4261136), (88, 3873760), (110, 3099008), (121, 2817280), (124, 2749120), (128, 2663210), (142, 2400640), (155, 2199296), (160, 2130568), (176, 1936880), (220, 1549504), (242, 1408640), (248, 1374560), (256, 1331605), (284, 1200320), (310, 1099648), (320, 1065284), (341, 999680), (352, 968440), (355, 960256), (440, 774752), (484, 704320), (496, 687280), (568, 600160), (605, 563456), (620, 549824), (640, 532642), (682, 499840), (704, 484220), (710, 480128), (781, 436480), (880, 387376), (968, 352160), (992, 343640), (1136, 300080), (1210, 281728), (1240, 274912), (1280, 266321), (1364, 249920), (1408, 242110), (1420, 240064), (1562, 218240), (1705, 199936), (1760, 193688), (1936, 176080), (1984, 171820), (2201, 154880), (2272, 150040), (2420, 140864), (2480, 137456), (2728, 124960), (2816, 121055), (2840, 120032), (3124, 109120), (3410, 99968), (3520, 96844), (3751, 90880), (3872, 88040), (3905, 87296), (3968, 85910), (4402, 77440), (4544, 75020), (4840, 70432), (4960, 68728), (5456, 62480), (5680, 60016), (6248, 54560), (6820, 49984), (7040, 48422), (7502, 45440), (7744, 44020), (7810, 43648), (7936, 42955), (8591, 39680), (8804, 38720), (9088, 37510), (9680, 35216), (9920, 34364), (10912, 31240), (11005, 30976), (11360, 30008), (12496, 27280), (13640, 24992), (14080, 24211), (15004, 22720), (15488, 22010), (15620, 21824), (17182, 19840), (17608, 19360), (18176, 18755)]