221399710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{29017}}^1$

素因数の和:29140

約数の個数: 32

約数和(自身を含む): 459645120

約数和(自身を除く): 238245410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 29017, 58034, 145085, 203119, 290170, 406238, 1015595, 2031190, 3162853, 6325706, 15814265, 22139971, 31628530, 44279942, 110699855, 221399710]

約数ペア:

[(1, 221399710), (2, 110699855), (5, 44279942), (7, 31628530), (10, 22139971), (14, 15814265), (35, 6325706), (70, 3162853), (109, 2031190), (218, 1015595), (545, 406238), (763, 290170), (1090, 203119), (1526, 145085), (3815, 58034), (7630, 29017)]