217910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 490752

約数和(自身を除く): 272842

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 283, 385, 566, 770, 1415, 1981, 2830, 3113, 3962, 6226, 9905, 15565, 19810, 21791, 31130, 43582, 108955, 217910]

約数ペア:

[(1, 217910), (2, 108955), (5, 43582), (7, 31130), (10, 21791), (11, 19810), (14, 15565), (22, 9905), (35, 6226), (55, 3962), (70, 3113), (77, 2830), (110, 1981), (154, 1415), (283, 770), (385, 566)]