268388900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{15881}}^1$

素因数の和:15921

約数の個数: 54

約数和(自身を含む): 630690102

約数和(自身を除く): 362301202

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 8450, 15881, 16900, 31762, 63524, 79405, 158810, 206453, 317620, 397025, 412906, 794050, 825812, 1032265, 1588100, 2064530, 2683889, 4129060, 5161325, 5367778, 10322650, 10735556, 13419445, 20645300, 26838890, 53677780, 67097225, 134194450, 268388900]

約数ペア:

[(1, 268388900), (2, 134194450), (4, 67097225), (5, 53677780), (10, 26838890), (13, 20645300), (20, 13419445), (25, 10735556), (26, 10322650), (50, 5367778), (52, 5161325), (65, 4129060), (100, 2683889), (130, 2064530), (169, 1588100), (260, 1032265), (325, 825812), (338, 794050), (650, 412906), (676, 397025), (845, 317620), (1300, 206453), (1690, 158810), (3380, 79405), (4225, 63524), (8450, 31762), (15881, 16900)]