220172590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{17713}}^1$

素因数の和:17844

約数の個数: 32

約数和(自身を含む): 436189536

約数和(自身を除く): 216016946

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 12430, 17713, 35426, 88565, 177130, 194843, 389686, 974215, 1948430, 2001569, 4003138, 10007845, 20015690, 22017259, 44034518, 110086295, 220172590]

約数ペア:

[(1, 220172590), (2, 110086295), (5, 44034518), (10, 22017259), (11, 20015690), (22, 10007845), (55, 4003138), (110, 2001569), (113, 1948430), (226, 974215), (565, 389686), (1130, 194843), (1243, 177130), (2486, 88565), (6215, 35426), (12430, 17713)]