31879400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{3253}}^1$

素因数の和:3283

約数の個数: 72

約数和(自身を含む): 86247270

約数和(自身を除く): 54367870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 3253, 4900, 6506, 9800, 13012, 16265, 22771, 26024, 32530, 45542, 65060, 81325, 91084, 113855, 130120, 159397, 162650, 182168, 227710, 318794, 325300, 455420, 569275, 637588, 650600, 796985, 910840, 1138550, 1275176, 1593970, 2277100, 3187940, 3984925, 4554200, 6375880, 7969850, 15939700, 31879400]

約数ペア:

[(1, 31879400), (2, 15939700), (4, 7969850), (5, 6375880), (7, 4554200), (8, 3984925), (10, 3187940), (14, 2277100), (20, 1593970), (25, 1275176), (28, 1138550), (35, 910840), (40, 796985), (49, 650600), (50, 637588), (56, 569275), (70, 455420), (98, 325300), (100, 318794), (140, 227710), (175, 182168), (196, 162650), (200, 159397), (245, 130120), (280, 113855), (350, 91084), (392, 81325), (490, 65060), (700, 45542), (980, 32530), (1225, 26024), (1400, 22771), (1960, 16265), (2450, 13012), (3253, 9800), (4900, 6506)]