19996245850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{1033}}^1\times {\mathrm{7901}}^1$

素因数の和:8960

約数の個数: 72

約数和(自身を含む): 43312711068

約数和(自身を除く): 23316465218

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1033, 1225, 2066, 2450, 5165, 7231, 7901, 10330, 14462, 15802, 25825, 36155, 39505, 50617, 51650, 55307, 72310, 79010, 101234, 110614, 180775, 197525, 253085, 276535, 361550, 387149, 395050, 506170, 553070, 774298, 1265425, 1382675, 1935745, 2530850, 2765350, 3871490, 8161733, 9678725, 16323466, 19357450, 40808665, 57132131, 81617330, 114264262, 204043325, 285660655, 399924917, 408086650, 571321310, 799849834, 1428303275, 1999624585, 2856606550, 3999249170, 9998122925, 19996245850]

約数ペア:

[(1, 19996245850), (2, 9998122925), (5, 3999249170), (7, 2856606550), (10, 1999624585), (14, 1428303275), (25, 799849834), (35, 571321310), (49, 408086650), (50, 399924917), (70, 285660655), (98, 204043325), (175, 114264262), (245, 81617330), (350, 57132131), (490, 40808665), (1033, 19357450), (1225, 16323466), (2066, 9678725), (2450, 8161733), (5165, 3871490), (7231, 2765350), (7901, 2530850), (10330, 1935745), (14462, 1382675), (15802, 1265425), (25825, 774298), (36155, 553070), (39505, 506170), (50617, 395050), (51650, 387149), (55307, 361550), (72310, 276535), (79010, 253085), (101234, 197525), (110614, 180775)]