211170780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{391057}}^1$

素因数の和:391075

約数の個数: 48

約数和(自身を含む): 656977440

約数和(自身を除く): 445806660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 391057, 782114, 1173171, 1564228, 1955285, 2346342, 3519513, 3910570, 4692684, 5865855, 7039026, 7821140, 10558539, 11731710, 14078052, 17597565, 21117078, 23463420, 35195130, 42234156, 52792695, 70390260, 105585390, 211170780]

約数ペア:

[(1, 211170780), (2, 105585390), (3, 70390260), (4, 52792695), (5, 42234156), (6, 35195130), (9, 23463420), (10, 21117078), (12, 17597565), (15, 14078052), (18, 11731710), (20, 10558539), (27, 7821140), (30, 7039026), (36, 5865855), (45, 4692684), (54, 3910570), (60, 3519513), (90, 2346342), (108, 1955285), (135, 1564228), (180, 1173171), (270, 782114), (540, 391057)]