77128000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 112

約数和(自身を含む): 197803008

約数和(自身を除く): 120675008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 311, 320, 400, 496, 500, 620, 622, 775, 800, 992, 1000, 1240, 1244, 1550, 1555, 1600, 1984, 2000, 2480, 2488, 3100, 3110, 3875, 4000, 4960, 4976, 6200, 6220, 7750, 7775, 8000, 9641, 9920, 9952, 12400, 12440, 15500, 15550, 19282, 19904, 24800, 24880, 31000, 31100, 38564, 38875, 48205, 49600, 49760, 62000, 62200, 77128, 77750, 96410, 99520, 124000, 124400, 154256, 155500, 192820, 241025, 248000, 248800, 308512, 311000, 385640, 482050, 497600, 617024, 622000, 771280, 964100, 1205125, 1244000, 1542560, 1928200, 2410250, 2488000, 3085120, 3856400, 4820500, 7712800, 9641000, 15425600, 19282000, 38564000, 77128000]

約数ペア:

[(1, 77128000), (2, 38564000), (4, 19282000), (5, 15425600), (8, 9641000), (10, 7712800), (16, 4820500), (20, 3856400), (25, 3085120), (31, 2488000), (32, 2410250), (40, 1928200), (50, 1542560), (62, 1244000), (64, 1205125), (80, 964100), (100, 771280), (124, 622000), (125, 617024), (155, 497600), (160, 482050), (200, 385640), (248, 311000), (250, 308512), (310, 248800), (311, 248000), (320, 241025), (400, 192820), (496, 155500), (500, 154256), (620, 124400), (622, 124000), (775, 99520), (800, 96410), (992, 77750), (1000, 77128), (1240, 62200), (1244, 62000), (1550, 49760), (1555, 49600), (1600, 48205), (1984, 38875), (2000, 38564), (2480, 31100), (2488, 31000), (3100, 24880), (3110, 24800), (3875, 19904), (4000, 19282), (4960, 15550), (4976, 15500), (6200, 12440), (6220, 12400), (7750, 9952), (7775, 9920), (8000, 9641)]