201712225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3319}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 311230080

約数和(自身を除く): 109517855

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3319, 3575, 4675, 5525, 12155, 16595, 36509, 43147, 56423, 60775, 82975, 182545, 215735, 282115, 474617, 620653, 733499, 912725, 1078675, 1410575, 2373085, 3103265, 3667495, 8068489, 11865425, 15516325, 18337475, 40342445, 201712225]

約数ペア:

[(1, 201712225), (5, 40342445), (11, 18337475), (13, 15516325), (17, 11865425), (25, 8068489), (55, 3667495), (65, 3103265), (85, 2373085), (143, 1410575), (187, 1078675), (221, 912725), (275, 733499), (325, 620653), (425, 474617), (715, 282115), (935, 215735), (1105, 182545), (2431, 82975), (3319, 60775), (3575, 56423), (4675, 43147), (5525, 36509), (12155, 16595)]