209319770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{100153}}^1$

素因数の和:100190

約数の個数: 32

約数和(自身を含む): 432665280

約数和(自身を除く): 223345510

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 100153, 200306, 500765, 1001530, 1101683, 1902907, 2203366, 3805814, 5508415, 9514535, 11016830, 19029070, 20931977, 41863954, 104659885, 209319770]

約数ペア:

[(1, 209319770), (2, 104659885), (5, 41863954), (10, 20931977), (11, 19029070), (19, 11016830), (22, 9514535), (38, 5508415), (55, 3805814), (95, 2203366), (110, 1902907), (190, 1101683), (209, 1001530), (418, 500765), (1045, 200306), (2090, 100153)]