215698000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 635102208

約数和(自身を除く): 419404208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 71, 80, 98, 100, 112, 124, 125, 140, 142, 155, 175, 196, 200, 217, 245, 248, 250, 280, 284, 310, 350, 355, 392, 400, 434, 490, 496, 497, 500, 560, 568, 620, 700, 710, 775, 784, 868, 875, 980, 994, 1000, 1085, 1136, 1225, 1240, 1400, 1420, 1519, 1550, 1736, 1750, 1775, 1960, 1988, 2000, 2170, 2201, 2450, 2480, 2485, 2800, 2840, 3038, 3100, 3472, 3479, 3500, 3550, 3875, 3920, 3976, 4340, 4402, 4900, 4970, 5425, 5680, 6076, 6125, 6200, 6958, 7000, 7100, 7595, 7750, 7952, 8680, 8804, 8875, 9800, 9940, 10850, 11005, 12152, 12250, 12400, 12425, 13916, 14000, 14200, 15190, 15407, 15500, 17360, 17395, 17608, 17750, 19600, 19880, 21700, 22010, 24304, 24500, 24850, 27125, 27832, 28400, 30380, 30814, 31000, 34790, 35216, 35500, 37975, 39760, 43400, 44020, 49000, 49700, 54250, 55025, 55664, 60760, 61628, 62000, 62125, 69580, 71000, 75950, 77035, 86800, 86975, 88040, 98000, 99400, 107849, 108500, 110050, 121520, 123256, 124250, 139160, 142000, 151900, 154070, 173950, 176080, 189875, 198800, 215698, 217000, 220100, 246512, 248500, 275125, 278320, 303800, 308140, 347900, 379750, 385175, 431396, 434000, 434875, 440200, 497000, 539245, 550250, 607600, 616280, 695800, 759500, 770350, 862792, 869750, 880400, 994000, 1078490, 1100500, 1232560, 1391600, 1519000, 1540700, 1725584, 1739500, 1925875, 2156980, 2201000, 2696225, 3038000, 3081400, 3479000, 3851750, 4313960, 4402000, 5392450, 6162800, 6958000, 7703500, 8627920, 10784900, 13481125, 15407000, 21569800, 26962250, 30814000, 43139600, 53924500, 107849000, 215698000]

約数ペア:

[(1, 215698000), (2, 107849000), (4, 53924500), (5, 43139600), (7, 30814000), (8, 26962250), (10, 21569800), (14, 15407000), (16, 13481125), (20, 10784900), (25, 8627920), (28, 7703500), (31, 6958000), (35, 6162800), (40, 5392450), (49, 4402000), (50, 4313960), (56, 3851750), (62, 3479000), (70, 3081400), (71, 3038000), (80, 2696225), (98, 2201000), (100, 2156980), (112, 1925875), (124, 1739500), (125, 1725584), (140, 1540700), (142, 1519000), (155, 1391600), (175, 1232560), (196, 1100500), (200, 1078490), (217, 994000), (245, 880400), (248, 869750), (250, 862792), (280, 770350), (284, 759500), (310, 695800), (350, 616280), (355, 607600), (392, 550250), (400, 539245), (434, 497000), (490, 440200), (496, 434875), (497, 434000), (500, 431396), (560, 385175), (568, 379750), (620, 347900), (700, 308140), (710, 303800), (775, 278320), (784, 275125), (868, 248500), (875, 246512), (980, 220100), (994, 217000), (1000, 215698), (1085, 198800), (1136, 189875), (1225, 176080), (1240, 173950), (1400, 154070), (1420, 151900), (1519, 142000), (1550, 139160), (1736, 124250), (1750, 123256), (1775, 121520), (1960, 110050), (1988, 108500), (2000, 107849), (2170, 99400), (2201, 98000), (2450, 88040), (2480, 86975), (2485, 86800), (2800, 77035), (2840, 75950), (3038, 71000), (3100, 69580), (3472, 62125), (3479, 62000), (3500, 61628), (3550, 60760), (3875, 55664), (3920, 55025), (3976, 54250), (4340, 49700), (4402, 49000), (4900, 44020), (4970, 43400), (5425, 39760), (5680, 37975), (6076, 35500), (6125, 35216), (6200, 34790), (6958, 31000), (7000, 30814), (7100, 30380), (7595, 28400), (7750, 27832), (7952, 27125), (8680, 24850), (8804, 24500), (8875, 24304), (9800, 22010), (9940, 21700), (10850, 19880), (11005, 19600), (12152, 17750), (12250, 17608), (12400, 17395), (12425, 17360), (13916, 15500), (14000, 15407), (14200, 15190)]