208711260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39983}}^1$

素因数の和:40027

約数の個数: 72

約数和(自身を含む): 654937920

約数和(自身を除く): 446226660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 39983, 79966, 119949, 159932, 199915, 239898, 359847, 399830, 479796, 599745, 719694, 799660, 1159507, 1199490, 1439388, 1799235, 2319014, 2398980, 3478521, 3598470, 4638028, 5797535, 6957042, 7196940, 10435563, 11595070, 13914084, 17392605, 20871126, 23190140, 34785210, 41742252, 52177815, 69570420, 104355630, 208711260]

約数ペア:

[(1, 208711260), (2, 104355630), (3, 69570420), (4, 52177815), (5, 41742252), (6, 34785210), (9, 23190140), (10, 20871126), (12, 17392605), (15, 13914084), (18, 11595070), (20, 10435563), (29, 7196940), (30, 6957042), (36, 5797535), (45, 4638028), (58, 3598470), (60, 3478521), (87, 2398980), (90, 2319014), (116, 1799235), (145, 1439388), (174, 1199490), (180, 1159507), (261, 799660), (290, 719694), (348, 599745), (435, 479796), (522, 399830), (580, 359847), (870, 239898), (1044, 199915), (1305, 159932), (1740, 119949), (2610, 79966), (5220, 39983)]