199864770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1471}}^1$

素因数の和:2135

約数の個数: 64

約数和(自身を含む): 549421056

約数和(自身を除く): 349556286

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 647, 1294, 1471, 1941, 2942, 3235, 3882, 4413, 4529, 6470, 7355, 8826, 9058, 9705, 10297, 13587, 14710, 19410, 20594, 22065, 22645, 27174, 30891, 44130, 45290, 51485, 61782, 67935, 102970, 135870, 154455, 308910, 951737, 1903474, 2855211, 4758685, 5710422, 6662159, 9517370, 13324318, 14276055, 19986477, 28552110, 33310795, 39972954, 66621590, 99932385, 199864770]

約数ペア:

[(1, 199864770), (2, 99932385), (3, 66621590), (5, 39972954), (6, 33310795), (7, 28552110), (10, 19986477), (14, 14276055), (15, 13324318), (21, 9517370), (30, 6662159), (35, 5710422), (42, 4758685), (70, 2855211), (105, 1903474), (210, 951737), (647, 308910), (1294, 154455), (1471, 135870), (1941, 102970), (2942, 67935), (3235, 61782), (3882, 51485), (4413, 45290), (4529, 44130), (6470, 30891), (7355, 27174), (8826, 22645), (9058, 22065), (9705, 20594), (10297, 19410), (13587, 14710)]