209035260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{165901}}^1$

素因数の和:165923

約数の個数: 72

約数和(自身を含む): 724659936

約数和(自身を除く): 515624676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 165901, 331802, 497703, 663604, 829505, 995406, 1161307, 1493109, 1659010, 1990812, 2322614, 2488515, 2986218, 3318020, 3483921, 4645228, 4977030, 5806535, 5972436, 6967842, 7465545, 9954060, 10451763, 11613070, 13935684, 14931090, 17419605, 20903526, 23226140, 29862180, 34839210, 41807052, 52258815, 69678420, 104517630, 209035260]

約数ペア:

[(1, 209035260), (2, 104517630), (3, 69678420), (4, 52258815), (5, 41807052), (6, 34839210), (7, 29862180), (9, 23226140), (10, 20903526), (12, 17419605), (14, 14931090), (15, 13935684), (18, 11613070), (20, 10451763), (21, 9954060), (28, 7465545), (30, 6967842), (35, 5972436), (36, 5806535), (42, 4977030), (45, 4645228), (60, 3483921), (63, 3318020), (70, 2986218), (84, 2488515), (90, 2322614), (105, 1990812), (126, 1659010), (140, 1493109), (180, 1161307), (210, 995406), (252, 829505), (315, 663604), (420, 497703), (630, 331802), (1260, 165901)]