309900800

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 240

約数和(自身を含む): 876801024

約数和(自身を除く): 566900224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 71, 80, 88, 100, 110, 124, 128, 142, 155, 160, 176, 200, 220, 248, 256, 275, 284, 310, 320, 341, 352, 355, 400, 440, 496, 512, 550, 568, 620, 640, 682, 704, 710, 775, 781, 800, 880, 992, 1100, 1136, 1240, 1280, 1364, 1408, 1420, 1550, 1562, 1600, 1705, 1760, 1775, 1984, 2200, 2201, 2272, 2480, 2560, 2728, 2816, 2840, 3100, 3124, 3200, 3410, 3520, 3550, 3905, 3968, 4400, 4402, 4544, 4960, 5456, 5632, 5680, 6200, 6248, 6400, 6820, 7040, 7100, 7810, 7936, 8525, 8800, 8804, 9088, 9920, 10912, 11005, 11360, 12400, 12496, 12800, 13640, 14080, 14200, 15620, 15872, 17050, 17600, 17608, 18176, 19525, 19840, 21824, 22010, 22720, 24211, 24800, 24992, 27280, 28160, 28400, 31240, 34100, 35200, 35216, 36352, 39050, 39680, 43648, 44020, 45440, 48422, 49600, 49984, 54560, 55025, 56800, 62480, 68200, 70400, 70432, 78100, 79360, 87296, 88040, 90880, 96844, 99200, 99968, 109120, 110050, 113600, 121055, 124960, 136400, 140800, 140864, 156200, 174592, 176080, 181760, 193688, 198400, 199936, 218240, 220100, 227200, 242110, 249920, 272800, 281728, 312400, 352160, 387376, 396800, 399872, 436480, 440200, 454400, 484220, 499840, 545600, 563456, 605275, 624800, 704320, 774752, 872960, 880400, 908800, 968440, 999680, 1091200, 1126912, 1210550, 1249600, 1408640, 1549504, 1760800, 1936880, 1999360, 2182400, 2421100, 2499200, 2817280, 3099008, 3521600, 3873760, 4364800, 4842200, 4998400, 5634560, 6198016, 7043200, 7747520, 9684400, 9996800, 12396032, 14086400, 15495040, 19368800, 28172800, 30990080, 38737600, 61980160, 77475200, 154950400, 309900800]

約数ペア:

[(1, 309900800), (2, 154950400), (4, 77475200), (5, 61980160), (8, 38737600), (10, 30990080), (11, 28172800), (16, 19368800), (20, 15495040), (22, 14086400), (25, 12396032), (31, 9996800), (32, 9684400), (40, 7747520), (44, 7043200), (50, 6198016), (55, 5634560), (62, 4998400), (64, 4842200), (71, 4364800), (80, 3873760), (88, 3521600), (100, 3099008), (110, 2817280), (124, 2499200), (128, 2421100), (142, 2182400), (155, 1999360), (160, 1936880), (176, 1760800), (200, 1549504), (220, 1408640), (248, 1249600), (256, 1210550), (275, 1126912), (284, 1091200), (310, 999680), (320, 968440), (341, 908800), (352, 880400), (355, 872960), (400, 774752), (440, 704320), (496, 624800), (512, 605275), (550, 563456), (568, 545600), (620, 499840), (640, 484220), (682, 454400), (704, 440200), (710, 436480), (775, 399872), (781, 396800), (800, 387376), (880, 352160), (992, 312400), (1100, 281728), (1136, 272800), (1240, 249920), (1280, 242110), (1364, 227200), (1408, 220100), (1420, 218240), (1550, 199936), (1562, 198400), (1600, 193688), (1705, 181760), (1760, 176080), (1775, 174592), (1984, 156200), (2200, 140864), (2201, 140800), (2272, 136400), (2480, 124960), (2560, 121055), (2728, 113600), (2816, 110050), (2840, 109120), (3100, 99968), (3124, 99200), (3200, 96844), (3410, 90880), (3520, 88040), (3550, 87296), (3905, 79360), (3968, 78100), (4400, 70432), (4402, 70400), (4544, 68200), (4960, 62480), (5456, 56800), (5632, 55025), (5680, 54560), (6200, 49984), (6248, 49600), (6400, 48422), (6820, 45440), (7040, 44020), (7100, 43648), (7810, 39680), (7936, 39050), (8525, 36352), (8800, 35216), (8804, 35200), (9088, 34100), (9920, 31240), (10912, 28400), (11005, 28160), (11360, 27280), (12400, 24992), (12496, 24800), (12800, 24211), (13640, 22720), (14080, 22010), (14200, 21824), (15620, 19840), (15872, 19525), (17050, 18176), (17600, 17608)]