402854130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{639451}}^1$

素因数の和:639471

約数の個数: 48

約数和(自身を含む): 1197054144

約数和(自身を除く): 794200014

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 639451, 1278902, 1918353, 3197255, 3836706, 4476157, 5755059, 6394510, 8952314, 9591765, 11510118, 13428471, 19183530, 22380785, 26856942, 28775295, 40285413, 44761570, 57550590, 67142355, 80570826, 134284710, 201427065, 402854130]

約数ペア:

[(1, 402854130), (2, 201427065), (3, 134284710), (5, 80570826), (6, 67142355), (7, 57550590), (9, 44761570), (10, 40285413), (14, 28775295), (15, 26856942), (18, 22380785), (21, 19183530), (30, 13428471), (35, 11510118), (42, 9591765), (45, 8952314), (63, 6394510), (70, 5755059), (90, 4476157), (105, 3836706), (126, 3197255), (210, 1918353), (315, 1278902), (630, 639451)]