165790090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1709}}^1$

素因数の和:1914

約数の個数: 32

約数和(自身を含む): 304722000

約数和(自身を除く): 138931910

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 890, 1090, 1709, 3418, 8545, 9701, 17090, 19402, 48505, 97010, 152101, 186281, 304202, 372562, 760505, 931405, 1521010, 1862810, 16579009, 33158018, 82895045, 165790090]

約数ペア:

[(1, 165790090), (2, 82895045), (5, 33158018), (10, 16579009), (89, 1862810), (109, 1521010), (178, 931405), (218, 760505), (445, 372562), (545, 304202), (890, 186281), (1090, 152101), (1709, 97010), (3418, 48505), (8545, 19402), (9701, 17090)]