410828180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18691}}^1$

素因数の和:18864

約数の個数: 48

約数和(自身を含む): 992320896

約数和(自身を除く): 581492716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 18691, 21980, 37382, 74764, 93455, 130837, 186910, 261674, 373820, 523348, 654185, 1308370, 2616740, 2934487, 5868974, 11737948, 14672435, 20541409, 29344870, 41082818, 58689740, 82165636, 102707045, 205414090, 410828180]

約数ペア:

[(1, 410828180), (2, 205414090), (4, 102707045), (5, 82165636), (7, 58689740), (10, 41082818), (14, 29344870), (20, 20541409), (28, 14672435), (35, 11737948), (70, 5868974), (140, 2934487), (157, 2616740), (314, 1308370), (628, 654185), (785, 523348), (1099, 373820), (1570, 261674), (2198, 186910), (3140, 130837), (4396, 93455), (5495, 74764), (10990, 37382), (18691, 21980)]