211808220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271549}}^1$

素因数の和:271574

約数の個数: 48

約数和(自身を含む): 638685600

約数和(自身を除く): 426877380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 271549, 543098, 814647, 1086196, 1357745, 1629294, 2715490, 3258588, 3530137, 4073235, 5430980, 7060274, 8146470, 10590411, 14120548, 16292940, 17650685, 21180822, 35301370, 42361644, 52952055, 70602740, 105904110, 211808220]

約数ペア:

[(1, 211808220), (2, 105904110), (3, 70602740), (4, 52952055), (5, 42361644), (6, 35301370), (10, 21180822), (12, 17650685), (13, 16292940), (15, 14120548), (20, 10590411), (26, 8146470), (30, 7060274), (39, 5430980), (52, 4073235), (60, 3530137), (65, 3258588), (78, 2715490), (130, 1629294), (156, 1357745), (195, 1086196), (260, 814647), (390, 543098), (780, 271549)]