31629500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 72

約数和(自身を含む): 80419248

約数和(自身を除く): 48789748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1291, 1750, 2450, 2582, 3500, 4900, 5164, 6125, 6455, 9037, 12250, 12910, 18074, 24500, 25820, 32275, 36148, 45185, 63259, 64550, 90370, 126518, 129100, 161375, 180740, 225925, 253036, 316295, 322750, 451850, 632590, 645500, 903700, 1129625, 1265180, 1581475, 2259250, 3162950, 4518500, 6325900, 7907375, 15814750, 31629500]

約数ペア:

[(1, 31629500), (2, 15814750), (4, 7907375), (5, 6325900), (7, 4518500), (10, 3162950), (14, 2259250), (20, 1581475), (25, 1265180), (28, 1129625), (35, 903700), (49, 645500), (50, 632590), (70, 451850), (98, 322750), (100, 316295), (125, 253036), (140, 225925), (175, 180740), (196, 161375), (245, 129100), (250, 126518), (350, 90370), (490, 64550), (500, 63259), (700, 45185), (875, 36148), (980, 32275), (1225, 25820), (1291, 24500), (1750, 18074), (2450, 12910), (2582, 12250), (3500, 9037), (4900, 6455), (5164, 6125)]