9891875

素因数分解:

$5^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 60

約数和(自身を含む): 16026120

約数和(自身を除く): 6134245

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 85, 95, 119, 125, 133, 175, 245, 323, 425, 475, 595, 625, 665, 833, 875, 931, 1225, 1615, 2125, 2261, 2375, 2975, 3325, 4165, 4375, 4655, 6125, 8075, 10625, 11305, 11875, 14875, 15827, 16625, 20825, 23275, 30625, 40375, 56525, 74375, 79135, 83125, 104125, 116375, 201875, 282625, 395675, 520625, 581875, 1413125, 1978375, 9891875]

約数ペア:

[(1, 9891875), (5, 1978375), (7, 1413125), (17, 581875), (19, 520625), (25, 395675), (35, 282625), (49, 201875), (85, 116375), (95, 104125), (119, 83125), (125, 79135), (133, 74375), (175, 56525), (245, 40375), (323, 30625), (425, 23275), (475, 20825), (595, 16625), (625, 15827), (665, 14875), (833, 11875), (875, 11305), (931, 10625), (1225, 8075), (1615, 6125), (2125, 4655), (2261, 4375), (2375, 4165), (2975, 3325)]