213421040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8863}}^1$

素因数の和:8926

約数の個数: 80

約数和(自身を含む): 580343808

約数和(自身を除く): 366922768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 8863, 12040, 17726, 24080, 35452, 44315, 62041, 70904, 88630, 124082, 141808, 177260, 248164, 310205, 354520, 381109, 496328, 620410, 709040, 762218, 992656, 1240820, 1524436, 1905545, 2481640, 2667763, 3048872, 3811090, 4963280, 5335526, 6097744, 7622180, 10671052, 13338815, 15244360, 21342104, 26677630, 30488720, 42684208, 53355260, 106710520, 213421040]

約数ペア:

[(1, 213421040), (2, 106710520), (4, 53355260), (5, 42684208), (7, 30488720), (8, 26677630), (10, 21342104), (14, 15244360), (16, 13338815), (20, 10671052), (28, 7622180), (35, 6097744), (40, 5335526), (43, 4963280), (56, 3811090), (70, 3048872), (80, 2667763), (86, 2481640), (112, 1905545), (140, 1524436), (172, 1240820), (215, 992656), (280, 762218), (301, 709040), (344, 620410), (430, 496328), (560, 381109), (602, 354520), (688, 310205), (860, 248164), (1204, 177260), (1505, 141808), (1720, 124082), (2408, 88630), (3010, 70904), (3440, 62041), (4816, 44315), (6020, 35452), (8863, 24080), (12040, 17726)]