990809600

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 2776536576

約数和(自身を除く): 1785726976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 124, 128, 155, 160, 176, 200, 220, 227, 248, 256, 275, 310, 320, 341, 352, 400, 440, 454, 496, 512, 550, 620, 640, 682, 704, 775, 800, 880, 908, 992, 1100, 1135, 1240, 1280, 1364, 1408, 1550, 1600, 1705, 1760, 1816, 1984, 2200, 2270, 2480, 2497, 2560, 2728, 2816, 3100, 3200, 3410, 3520, 3632, 3968, 4400, 4540, 4960, 4994, 5456, 5632, 5675, 6200, 6400, 6820, 7037, 7040, 7264, 7936, 8525, 8800, 9080, 9920, 9988, 10912, 11350, 12400, 12485, 12800, 13640, 14074, 14080, 14528, 15872, 17050, 17600, 18160, 19840, 19976, 21824, 22700, 24800, 24970, 27280, 28148, 28160, 29056, 34100, 35185, 35200, 36320, 39680, 39952, 43648, 45400, 49600, 49940, 54560, 56296, 58112, 62425, 68200, 70370, 70400, 72640, 77407, 79360, 79904, 87296, 90800, 99200, 99880, 109120, 112592, 116224, 124850, 136400, 140740, 140800, 145280, 154814, 159808, 174592, 175925, 181600, 198400, 199760, 218240, 225184, 249700, 272800, 281480, 290560, 309628, 319616, 351850, 363200, 387035, 396800, 399520, 436480, 450368, 499400, 545600, 562960, 581120, 619256, 639232, 703700, 726400, 774070, 799040, 872960, 900736, 998800, 1091200, 1125920, 1238512, 1278464, 1407400, 1452800, 1548140, 1598080, 1801472, 1935175, 1997600, 2182400, 2251840, 2477024, 2814800, 2905600, 3096280, 3196160, 3602944, 3870350, 3995200, 4364800, 4503680, 4954048, 5629600, 6192560, 6392320, 7740700, 7990400, 9007360, 9908096, 11259200, 12385120, 15481400, 15980800, 18014720, 19816192, 22518400, 24770240, 30962800, 31961600, 39632384, 45036800, 49540480, 61925600, 90073600, 99080960, 123851200, 198161920, 247702400, 495404800, 990809600]

約数ペア:

[(1, 990809600), (2, 495404800), (4, 247702400), (5, 198161920), (8, 123851200), (10, 99080960), (11, 90073600), (16, 61925600), (20, 49540480), (22, 45036800), (25, 39632384), (31, 31961600), (32, 30962800), (40, 24770240), (44, 22518400), (50, 19816192), (55, 18014720), (62, 15980800), (64, 15481400), (80, 12385120), (88, 11259200), (100, 9908096), (110, 9007360), (124, 7990400), (128, 7740700), (155, 6392320), (160, 6192560), (176, 5629600), (200, 4954048), (220, 4503680), (227, 4364800), (248, 3995200), (256, 3870350), (275, 3602944), (310, 3196160), (320, 3096280), (341, 2905600), (352, 2814800), (400, 2477024), (440, 2251840), (454, 2182400), (496, 1997600), (512, 1935175), (550, 1801472), (620, 1598080), (640, 1548140), (682, 1452800), (704, 1407400), (775, 1278464), (800, 1238512), (880, 1125920), (908, 1091200), (992, 998800), (1100, 900736), (1135, 872960), (1240, 799040), (1280, 774070), (1364, 726400), (1408, 703700), (1550, 639232), (1600, 619256), (1705, 581120), (1760, 562960), (1816, 545600), (1984, 499400), (2200, 450368), (2270, 436480), (2480, 399520), (2497, 396800), (2560, 387035), (2728, 363200), (2816, 351850), (3100, 319616), (3200, 309628), (3410, 290560), (3520, 281480), (3632, 272800), (3968, 249700), (4400, 225184), (4540, 218240), (4960, 199760), (4994, 198400), (5456, 181600), (5632, 175925), (5675, 174592), (6200, 159808), (6400, 154814), (6820, 145280), (7037, 140800), (7040, 140740), (7264, 136400), (7936, 124850), (8525, 116224), (8800, 112592), (9080, 109120), (9920, 99880), (9988, 99200), (10912, 90800), (11350, 87296), (12400, 79904), (12485, 79360), (12800, 77407), (13640, 72640), (14074, 70400), (14080, 70370), (14528, 68200), (15872, 62425), (17050, 58112), (17600, 56296), (18160, 54560), (19840, 49940), (19976, 49600), (21824, 45400), (22700, 43648), (24800, 39952), (24970, 39680), (27280, 36320), (28148, 35200), (28160, 35185), (29056, 34100)]