199189540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47653}}^1$

素因数の和:47692

約数の個数: 48

約数和(自身を含む): 480352320

約数和(自身を除く): 281162780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 47653, 95306, 190612, 238265, 476530, 524183, 905407, 953060, 1048366, 1810814, 2096732, 2620915, 3621628, 4527035, 5241830, 9054070, 9959477, 10483660, 18108140, 19918954, 39837908, 49797385, 99594770, 199189540]

約数ペア:

[(1, 199189540), (2, 99594770), (4, 49797385), (5, 39837908), (10, 19918954), (11, 18108140), (19, 10483660), (20, 9959477), (22, 9054070), (38, 5241830), (44, 4527035), (55, 3621628), (76, 2620915), (95, 2096732), (110, 1810814), (190, 1048366), (209, 953060), (220, 905407), (380, 524183), (418, 476530), (836, 238265), (1045, 190612), (2090, 95306), (4180, 47653)]