211301480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{406349}}^1$

素因数の和:406373

約数の個数: 32

約数和(自身を含む): 512001000

約数和(自身を除く): 300699520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 406349, 812698, 1625396, 2031745, 3250792, 4063490, 5282537, 8126980, 10565074, 16253960, 21130148, 26412685, 42260296, 52825370, 105650740, 211301480]

約数ペア:

[(1, 211301480), (2, 105650740), (4, 52825370), (5, 42260296), (8, 26412685), (10, 21130148), (13, 16253960), (20, 10565074), (26, 8126980), (40, 5282537), (52, 4063490), (65, 3250792), (104, 2031745), (130, 1625396), (260, 812698), (520, 406349)]