98380000

素因数分解:

$2^5\times 5^4\times {\mathrm{4919}}^1$

素因数の和:4949

約数の個数: 60

約数和(自身を含む): 242078760

約数和(自身を除く): 143698760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4919, 5000, 9838, 10000, 19676, 20000, 24595, 39352, 49190, 78704, 98380, 122975, 157408, 196760, 245950, 393520, 491900, 614875, 787040, 983800, 1229750, 1967600, 2459500, 3074375, 3935200, 4919000, 6148750, 9838000, 12297500, 19676000, 24595000, 49190000, 98380000]

約数ペア:

[(1, 98380000), (2, 49190000), (4, 24595000), (5, 19676000), (8, 12297500), (10, 9838000), (16, 6148750), (20, 4919000), (25, 3935200), (32, 3074375), (40, 2459500), (50, 1967600), (80, 1229750), (100, 983800), (125, 787040), (160, 614875), (200, 491900), (250, 393520), (400, 245950), (500, 196760), (625, 157408), (800, 122975), (1000, 98380), (1250, 78704), (2000, 49190), (2500, 39352), (4000, 24595), (4919, 20000), (5000, 19676), (9838, 10000)]