78757700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16073}}^1$

素因数の和:16101

約数の個数: 54

約数和(自身を含む): 198819306

約数和(自身を除く): 120061606

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16073, 32146, 64292, 80365, 112511, 160730, 225022, 321460, 401825, 450044, 562555, 787577, 803650, 1125110, 1575154, 1607300, 2250220, 2812775, 3150308, 3937885, 5625550, 7875770, 11251100, 15751540, 19689425, 39378850, 78757700]

約数ペア:

[(1, 78757700), (2, 39378850), (4, 19689425), (5, 15751540), (7, 11251100), (10, 7875770), (14, 5625550), (20, 3937885), (25, 3150308), (28, 2812775), (35, 2250220), (49, 1607300), (50, 1575154), (70, 1125110), (98, 803650), (100, 787577), (140, 562555), (175, 450044), (196, 401825), (245, 321460), (350, 225022), (490, 160730), (700, 112511), (980, 80365), (1225, 64292), (2450, 32146), (4900, 16073)]