205994750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 418594176

約数和(自身を除く): 212599426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 241, 250, 263, 325, 482, 526, 650, 1205, 1315, 1625, 2410, 2630, 3133, 3250, 3419, 6025, 6266, 6575, 6838, 12050, 13150, 15665, 17095, 30125, 31330, 32875, 34190, 60250, 63383, 65750, 78325, 85475, 126766, 156650, 170950, 316915, 391625, 427375, 633830, 783250, 823979, 854750, 1584575, 1647958, 3169150, 4119895, 7922875, 8239790, 15845750, 20599475, 41198950, 102997375, 205994750]

約数ペア:

[(1, 205994750), (2, 102997375), (5, 41198950), (10, 20599475), (13, 15845750), (25, 8239790), (26, 7922875), (50, 4119895), (65, 3169150), (125, 1647958), (130, 1584575), (241, 854750), (250, 823979), (263, 783250), (325, 633830), (482, 427375), (526, 391625), (650, 316915), (1205, 170950), (1315, 156650), (1625, 126766), (2410, 85475), (2630, 78325), (3133, 65750), (3250, 63383), (3419, 60250), (6025, 34190), (6266, 32875), (6575, 31330), (6838, 30125), (12050, 17095), (13150, 15665)]