155530900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31741}}^1$

素因数の和:31769

約数の個数: 54

約数和(自身を含む): 392616798

約数和(自身を除く): 237085898

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, 31741, 63482, 126964, 158705, 222187, 317410, 444374, 634820, 793525, 888748, 1110935, 1555309, 1587050, 2221870, 3110618, 3174100, 4443740, 5554675, 6221236, 7776545, 11109350, 15553090, 22218700, 31106180, 38882725, 77765450, 155530900]

約数ペア:

[(1, 155530900), (2, 77765450), (4, 38882725), (5, 31106180), (7, 22218700), (10, 15553090), (14, 11109350), (20, 7776545), (25, 6221236), (28, 5554675), (35, 4443740), (49, 3174100), (50, 3110618), (70, 2221870), (98, 1587050), (100, 1555309), (140, 1110935), (175, 888748), (196, 793525), (245, 634820), (350, 444374), (490, 317410), (700, 222187), (980, 158705), (1225, 126964), (2450, 63482), (4900, 31741)]