169880000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 140

約数和(自身を含む): 438009792

約数和(自身を除く): 268129792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 137, 155, 160, 200, 248, 250, 274, 310, 320, 400, 496, 500, 548, 620, 625, 685, 775, 800, 992, 1000, 1096, 1240, 1250, 1370, 1550, 1600, 1984, 2000, 2192, 2480, 2500, 2740, 3100, 3425, 3875, 4000, 4247, 4384, 4960, 5000, 5480, 6200, 6850, 7750, 8000, 8494, 8768, 9920, 10000, 10960, 12400, 13700, 15500, 16988, 17125, 19375, 20000, 21235, 21920, 24800, 27400, 31000, 33976, 34250, 38750, 40000, 42470, 43840, 49600, 54800, 62000, 67952, 68500, 77500, 84940, 85625, 106175, 109600, 124000, 135904, 137000, 155000, 169880, 171250, 212350, 219200, 248000, 271808, 274000, 310000, 339760, 342500, 424700, 530875, 548000, 620000, 679520, 685000, 849400, 1061750, 1096000, 1240000, 1359040, 1370000, 1698800, 2123500, 2654375, 2740000, 3397600, 4247000, 5308750, 5480000, 6795200, 8494000, 10617500, 16988000, 21235000, 33976000, 42470000, 84940000, 169880000]

約数ペア:

[(1, 169880000), (2, 84940000), (4, 42470000), (5, 33976000), (8, 21235000), (10, 16988000), (16, 10617500), (20, 8494000), (25, 6795200), (31, 5480000), (32, 5308750), (40, 4247000), (50, 3397600), (62, 2740000), (64, 2654375), (80, 2123500), (100, 1698800), (124, 1370000), (125, 1359040), (137, 1240000), (155, 1096000), (160, 1061750), (200, 849400), (248, 685000), (250, 679520), (274, 620000), (310, 548000), (320, 530875), (400, 424700), (496, 342500), (500, 339760), (548, 310000), (620, 274000), (625, 271808), (685, 248000), (775, 219200), (800, 212350), (992, 171250), (1000, 169880), (1096, 155000), (1240, 137000), (1250, 135904), (1370, 124000), (1550, 109600), (1600, 106175), (1984, 85625), (2000, 84940), (2192, 77500), (2480, 68500), (2500, 67952), (2740, 62000), (3100, 54800), (3425, 49600), (3875, 43840), (4000, 42470), (4247, 40000), (4384, 38750), (4960, 34250), (5000, 33976), (5480, 31000), (6200, 27400), (6850, 24800), (7750, 21920), (8000, 21235), (8494, 20000), (8768, 19375), (9920, 17125), (10000, 16988), (10960, 15500), (12400, 13700)]