258761750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{773}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 527409792

約数和(自身を除く): 268648042

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 125, 130, 206, 250, 325, 515, 650, 773, 1030, 1339, 1546, 1625, 2575, 2678, 3250, 3865, 5150, 6695, 7730, 10049, 12875, 13390, 19325, 20098, 25750, 33475, 38650, 50245, 66950, 79619, 96625, 100490, 159238, 167375, 193250, 251225, 334750, 398095, 502450, 796190, 1035047, 1256125, 1990475, 2070094, 2512250, 3980950, 5175235, 9952375, 10350470, 19904750, 25876175, 51752350, 129380875, 258761750]

約数ペア:

[(1, 258761750), (2, 129380875), (5, 51752350), (10, 25876175), (13, 19904750), (25, 10350470), (26, 9952375), (50, 5175235), (65, 3980950), (103, 2512250), (125, 2070094), (130, 1990475), (206, 1256125), (250, 1035047), (325, 796190), (515, 502450), (650, 398095), (773, 334750), (1030, 251225), (1339, 193250), (1546, 167375), (1625, 159238), (2575, 100490), (2678, 96625), (3250, 79619), (3865, 66950), (5150, 50245), (6695, 38650), (7730, 33475), (10049, 25750), (12875, 20098), (13390, 19325)]