202019925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 373529664

約数和(自身を除く): 171509739

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 83, 85, 115, 249, 255, 345, 391, 415, 425, 575, 1173, 1245, 1275, 1411, 1725, 1909, 1955, 2075, 4233, 5727, 5865, 6225, 6889, 7055, 9545, 9775, 20667, 21165, 28635, 29325, 32453, 34445, 35275, 47725, 97359, 103335, 105825, 117113, 143175, 158447, 162265, 172225, 351339, 475341, 486795, 516675, 585565, 792235, 811325, 1756695, 2376705, 2433975, 2693599, 2927825, 3961175, 8080797, 8783475, 11883525, 13467995, 40403985, 67339975, 202019925]

約数ペア:

[(1, 202019925), (3, 67339975), (5, 40403985), (15, 13467995), (17, 11883525), (23, 8783475), (25, 8080797), (51, 3961175), (69, 2927825), (75, 2693599), (83, 2433975), (85, 2376705), (115, 1756695), (249, 811325), (255, 792235), (345, 585565), (391, 516675), (415, 486795), (425, 475341), (575, 351339), (1173, 172225), (1245, 162265), (1275, 158447), (1411, 143175), (1725, 117113), (1909, 105825), (1955, 103335), (2075, 97359), (4233, 47725), (5727, 35275), (5865, 34445), (6225, 32453), (6889, 29325), (7055, 28635), (9545, 21165), (9775, 20667)]