221406500

素因数分解:

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

素因数の和:1331

約数の個数: 96

約数和(自身を含む): 564345600

約数和(自身を除く): 342939100

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, 343, 350, 490, 500, 686, 700, 875, 980, 1225, 1291, 1372, 1715, 1750, 2450, 2582, 3430, 3500, 4900, 5164, 6125, 6455, 6860, 8575, 9037, 12250, 12910, 17150, 18074, 24500, 25820, 32275, 34300, 36148, 42875, 45185, 63259, 64550, 85750, 90370, 126518, 129100, 161375, 171500, 180740, 225925, 253036, 316295, 322750, 442813, 451850, 632590, 645500, 885626, 903700, 1129625, 1265180, 1581475, 1771252, 2214065, 2259250, 3162950, 4428130, 4518500, 6325900, 7907375, 8856260, 11070325, 15814750, 22140650, 31629500, 44281300, 55351625, 110703250, 221406500]

約数ペア:

[(1, 221406500), (2, 110703250), (4, 55351625), (5, 44281300), (7, 31629500), (10, 22140650), (14, 15814750), (20, 11070325), (25, 8856260), (28, 7907375), (35, 6325900), (49, 4518500), (50, 4428130), (70, 3162950), (98, 2259250), (100, 2214065), (125, 1771252), (140, 1581475), (175, 1265180), (196, 1129625), (245, 903700), (250, 885626), (343, 645500), (350, 632590), (490, 451850), (500, 442813), (686, 322750), (700, 316295), (875, 253036), (980, 225925), (1225, 180740), (1291, 171500), (1372, 161375), (1715, 129100), (1750, 126518), (2450, 90370), (2582, 85750), (3430, 64550), (3500, 63259), (4900, 45185), (5164, 42875), (6125, 36148), (6455, 34300), (6860, 32275), (8575, 25820), (9037, 24500), (12250, 18074), (12910, 17150)]