31489850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{12853}}^1$

素因数の和:12879

約数の個数: 36

約数和(自身を含む): 68139054

約数和(自身を除く): 36649204

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 12853, 25706, 64265, 89971, 128530, 179942, 321325, 449855, 629797, 642650, 899710, 1259594, 2249275, 3148985, 4498550, 6297970, 15744925, 31489850]

約数ペア:

[(1, 31489850), (2, 15744925), (5, 6297970), (7, 4498550), (10, 3148985), (14, 2249275), (25, 1259594), (35, 899710), (49, 642650), (50, 629797), (70, 449855), (98, 321325), (175, 179942), (245, 128530), (350, 89971), (490, 64265), (1225, 25706), (2450, 12853)]