219972010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{2153}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 420133392

約数和(自身を除く): 200161382

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 601, 1202, 2153, 3005, 4306, 6010, 10217, 10765, 20434, 21530, 36601, 51085, 73202, 102170, 183005, 366010, 1293953, 2587906, 6469765, 12939530, 21997201, 43994402, 109986005, 219972010]

約数ペア:

[(1, 219972010), (2, 109986005), (5, 43994402), (10, 21997201), (17, 12939530), (34, 6469765), (85, 2587906), (170, 1293953), (601, 366010), (1202, 183005), (2153, 102170), (3005, 73202), (4306, 51085), (6010, 36601), (10217, 21530), (10765, 20434)]