156721400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71237}}^1$

素因数の和:71264

約数の個数: 48

約数和(自身を含む): 397508040

約数和(自身を除く): 240786640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 71237, 142474, 284948, 356185, 569896, 712370, 783607, 1424740, 1567214, 1780925, 2849480, 3134428, 3561850, 3918035, 6268856, 7123700, 7836070, 14247400, 15672140, 19590175, 31344280, 39180350, 78360700, 156721400]

約数ペア:

[(1, 156721400), (2, 78360700), (4, 39180350), (5, 31344280), (8, 19590175), (10, 15672140), (11, 14247400), (20, 7836070), (22, 7123700), (25, 6268856), (40, 3918035), (44, 3561850), (50, 3134428), (55, 2849480), (88, 1780925), (100, 1567214), (110, 1424740), (200, 783607), (220, 712370), (275, 569896), (440, 356185), (550, 284948), (1100, 142474), (2200, 71237)]