263116280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{134243}}^1$

素因数の和:134268

約数の個数: 48

約数和(自身を含む): 688671720

約数和(自身を除く): 425555440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 134243, 268486, 536972, 671215, 939701, 1073944, 1342430, 1879402, 2684860, 3758804, 4698505, 5369720, 6577907, 7517608, 9397010, 13155814, 18794020, 26311628, 32889535, 37588040, 52623256, 65779070, 131558140, 263116280]

約数ペア:

[(1, 263116280), (2, 131558140), (4, 65779070), (5, 52623256), (7, 37588040), (8, 32889535), (10, 26311628), (14, 18794020), (20, 13155814), (28, 9397010), (35, 7517608), (40, 6577907), (49, 5369720), (56, 4698505), (70, 3758804), (98, 2684860), (140, 1879402), (196, 1342430), (245, 1073944), (280, 939701), (392, 671215), (490, 536972), (980, 268486), (1960, 134243)]