245713020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{585031}}^1$

素因数の和:585050

約数の個数: 48

約数和(自身を含む): 786283008

約数和(自身を除く): 540569988

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, 585031, 1170062, 1755093, 2340124, 2925155, 3510186, 4095217, 5850310, 7020372, 8190434, 8775465, 11700620, 12285651, 16380868, 17550930, 20476085, 24571302, 35101860, 40952170, 49142604, 61428255, 81904340, 122856510, 245713020]

約数ペア:

[(1, 245713020), (2, 122856510), (3, 81904340), (4, 61428255), (5, 49142604), (6, 40952170), (7, 35101860), (10, 24571302), (12, 20476085), (14, 17550930), (15, 16380868), (20, 12285651), (21, 11700620), (28, 8775465), (30, 8190434), (35, 7020372), (42, 5850310), (60, 4095217), (70, 3510186), (84, 2925155), (105, 2340124), (140, 1755093), (210, 1170062), (420, 585031)]