217558000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 617460480

約数和(自身を除く): 399902480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 31, 40, 44, 50, 55, 58, 62, 80, 88, 100, 110, 116, 121, 124, 125, 145, 155, 176, 200, 220, 232, 242, 248, 250, 275, 290, 310, 319, 341, 400, 440, 464, 484, 496, 500, 550, 580, 605, 620, 638, 682, 725, 775, 880, 899, 968, 1000, 1100, 1160, 1210, 1240, 1276, 1364, 1375, 1450, 1550, 1595, 1705, 1798, 1936, 2000, 2200, 2320, 2420, 2480, 2552, 2728, 2750, 2900, 3025, 3100, 3190, 3410, 3509, 3596, 3625, 3751, 3875, 4400, 4495, 4840, 5104, 5456, 5500, 5800, 6050, 6200, 6380, 6820, 7018, 7192, 7250, 7502, 7750, 7975, 8525, 8990, 9680, 9889, 11000, 11600, 12100, 12400, 12760, 13640, 14036, 14384, 14500, 15004, 15125, 15500, 15950, 17050, 17545, 17980, 18755, 19778, 22000, 22475, 24200, 25520, 27280, 28072, 29000, 30008, 30250, 31000, 31900, 34100, 35090, 35960, 37510, 39556, 39875, 42625, 44950, 48400, 49445, 56144, 58000, 60016, 60500, 62000, 63800, 68200, 70180, 71920, 75020, 79112, 79750, 85250, 87725, 89900, 93775, 98890, 108779, 112375, 121000, 127600, 136400, 140360, 150040, 158224, 159500, 170500, 175450, 179800, 187550, 197780, 217558, 224750, 242000, 247225, 280720, 300080, 319000, 341000, 350900, 359600, 375100, 395560, 435116, 438625, 449500, 468875, 494450, 543895, 638000, 682000, 701800, 750200, 791120, 870232, 877250, 899000, 937750, 988900, 1087790, 1236125, 1403600, 1500400, 1740464, 1754500, 1798000, 1875500, 1977800, 2175580, 2472250, 2719475, 3509000, 3751000, 3955600, 4351160, 4944500, 5438950, 7018000, 7502000, 8702320, 9889000, 10877900, 13597375, 19778000, 21755800, 27194750, 43511600, 54389500, 108779000, 217558000]

約数ペア:

[(1, 217558000), (2, 108779000), (4, 54389500), (5, 43511600), (8, 27194750), (10, 21755800), (11, 19778000), (16, 13597375), (20, 10877900), (22, 9889000), (25, 8702320), (29, 7502000), (31, 7018000), (40, 5438950), (44, 4944500), (50, 4351160), (55, 3955600), (58, 3751000), (62, 3509000), (80, 2719475), (88, 2472250), (100, 2175580), (110, 1977800), (116, 1875500), (121, 1798000), (124, 1754500), (125, 1740464), (145, 1500400), (155, 1403600), (176, 1236125), (200, 1087790), (220, 988900), (232, 937750), (242, 899000), (248, 877250), (250, 870232), (275, 791120), (290, 750200), (310, 701800), (319, 682000), (341, 638000), (400, 543895), (440, 494450), (464, 468875), (484, 449500), (496, 438625), (500, 435116), (550, 395560), (580, 375100), (605, 359600), (620, 350900), (638, 341000), (682, 319000), (725, 300080), (775, 280720), (880, 247225), (899, 242000), (968, 224750), (1000, 217558), (1100, 197780), (1160, 187550), (1210, 179800), (1240, 175450), (1276, 170500), (1364, 159500), (1375, 158224), (1450, 150040), (1550, 140360), (1595, 136400), (1705, 127600), (1798, 121000), (1936, 112375), (2000, 108779), (2200, 98890), (2320, 93775), (2420, 89900), (2480, 87725), (2552, 85250), (2728, 79750), (2750, 79112), (2900, 75020), (3025, 71920), (3100, 70180), (3190, 68200), (3410, 63800), (3509, 62000), (3596, 60500), (3625, 60016), (3751, 58000), (3875, 56144), (4400, 49445), (4495, 48400), (4840, 44950), (5104, 42625), (5456, 39875), (5500, 39556), (5800, 37510), (6050, 35960), (6200, 35090), (6380, 34100), (6820, 31900), (7018, 31000), (7192, 30250), (7250, 30008), (7502, 29000), (7750, 28072), (7975, 27280), (8525, 25520), (8990, 24200), (9680, 22475), (9889, 22000), (11000, 19778), (11600, 18755), (12100, 17980), (12400, 17545), (12760, 17050), (13640, 15950), (14036, 15500), (14384, 15125), (14500, 15004)]