9774879980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1\times {\mathrm{9883}}^1$

素因数の和:12818

約数の個数: 48

約数和(自身を含む): 21744404640

約数和(自身を除く): 11969524660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2909, 5818, 9883, 11636, 14545, 19766, 29090, 39532, 49415, 49453, 58180, 98830, 98906, 168011, 197660, 197812, 247265, 336022, 494530, 672044, 840055, 989060, 1680110, 3360220, 28749647, 57499294, 114998588, 143748235, 287496470, 488743999, 574992940, 977487998, 1954975996, 2443719995, 4887439990, 9774879980]

約数ペア:

[(1, 9774879980), (2, 4887439990), (4, 2443719995), (5, 1954975996), (10, 977487998), (17, 574992940), (20, 488743999), (34, 287496470), (68, 143748235), (85, 114998588), (170, 57499294), (340, 28749647), (2909, 3360220), (5818, 1680110), (9883, 989060), (11636, 840055), (14545, 672044), (19766, 494530), (29090, 336022), (39532, 247265), (49415, 197812), (49453, 197660), (58180, 168011), (98830, 98906)]