69880000

素因数分解:

$2^6\times 5^4\times {\mathrm{1747}}^1$

素因数の和:1779

約数の個数: 70

約数和(自身を含む): 173378876

約数和(自身を除く): 103498876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 1747, 2000, 2500, 3494, 4000, 5000, 6988, 8000, 8735, 10000, 13976, 17470, 20000, 27952, 34940, 40000, 43675, 55904, 69880, 87350, 111808, 139760, 174700, 218375, 279520, 349400, 436750, 559040, 698800, 873500, 1091875, 1397600, 1747000, 2183750, 2795200, 3494000, 4367500, 6988000, 8735000, 13976000, 17470000, 34940000, 69880000]

約数ペア:

[(1, 69880000), (2, 34940000), (4, 17470000), (5, 13976000), (8, 8735000), (10, 6988000), (16, 4367500), (20, 3494000), (25, 2795200), (32, 2183750), (40, 1747000), (50, 1397600), (64, 1091875), (80, 873500), (100, 698800), (125, 559040), (160, 436750), (200, 349400), (250, 279520), (320, 218375), (400, 174700), (500, 139760), (625, 111808), (800, 87350), (1000, 69880), (1250, 55904), (1600, 43675), (1747, 40000), (2000, 34940), (2500, 27952), (3494, 20000), (4000, 17470), (5000, 13976), (6988, 10000), (8000, 8735)]