131422900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{26821}}^1$

素因数の和:26849

約数の個数: 54

約数和(自身を含む): 331761318

約数和(自身を除く): 200338418

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 26821, 53642, 107284, 134105, 187747, 268210, 375494, 536420, 670525, 750988, 938735, 1314229, 1341050, 1877470, 2628458, 2682100, 3754940, 4693675, 5256916, 6571145, 9387350, 13142290, 18774700, 26284580, 32855725, 65711450, 131422900]

約数ペア:

[(1, 131422900), (2, 65711450), (4, 32855725), (5, 26284580), (7, 18774700), (10, 13142290), (14, 9387350), (20, 6571145), (25, 5256916), (28, 4693675), (35, 3754940), (49, 2682100), (50, 2628458), (70, 1877470), (98, 1341050), (100, 1314229), (140, 938735), (175, 750988), (196, 670525), (245, 536420), (350, 375494), (490, 268210), (700, 187747), (980, 134105), (1225, 107284), (2450, 53642), (4900, 26821)]