164240020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{1231}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 394910208

約数和(自身を除く): 230670188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 953, 1231, 1906, 2462, 3812, 4765, 4924, 6155, 6671, 8617, 9530, 12310, 13342, 17234, 19060, 24620, 26684, 33355, 34468, 43085, 66710, 86170, 133420, 172340, 1173143, 2346286, 4692572, 5865715, 8212001, 11731430, 16424002, 23462860, 32848004, 41060005, 82120010, 164240020]

約数ペア:

[(1, 164240020), (2, 82120010), (4, 41060005), (5, 32848004), (7, 23462860), (10, 16424002), (14, 11731430), (20, 8212001), (28, 5865715), (35, 4692572), (70, 2346286), (140, 1173143), (953, 172340), (1231, 133420), (1906, 86170), (2462, 66710), (3812, 43085), (4765, 34468), (4924, 33355), (6155, 26684), (6671, 24620), (8617, 19060), (9530, 17234), (12310, 13342)]