263851140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{628217}}^1$

素因数の和:628236

約数の個数: 48

約数和(自身を含む): 844324992

約数和(自身を除く): 580473852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 628217, 1256434, 1884651, 2512868, 3141085, 3769302, 4397519, 6282170, 7538604, 8795038, 9423255, 12564340, 13192557, 17590076, 18846510, 21987595, 26385114, 37693020, 43975190, 52770228, 65962785, 87950380, 131925570, 263851140]

約数ペア:

[(1, 263851140), (2, 131925570), (3, 87950380), (4, 65962785), (5, 52770228), (6, 43975190), (7, 37693020), (10, 26385114), (12, 21987595), (14, 18846510), (15, 17590076), (20, 13192557), (21, 12564340), (28, 9423255), (30, 8795038), (35, 7538604), (42, 6282170), (60, 4397519), (70, 3769302), (84, 3141085), (105, 2512868), (140, 1884651), (210, 1256434), (420, 628217)]