138789900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{154211}}^1$

素因数の和:154231

約数の個数: 54

約数和(自身を含む): 435032052

約数和(自身を除く): 296242152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 154211, 308422, 462633, 616844, 771055, 925266, 1387899, 1542110, 1850532, 2313165, 2775798, 3084220, 3855275, 4626330, 5551596, 6939495, 7710550, 9252660, 11565825, 13878990, 15421100, 23131650, 27757980, 34697475, 46263300, 69394950, 138789900]

約数ペア:

[(1, 138789900), (2, 69394950), (3, 46263300), (4, 34697475), (5, 27757980), (6, 23131650), (9, 15421100), (10, 13878990), (12, 11565825), (15, 9252660), (18, 7710550), (20, 6939495), (25, 5551596), (30, 4626330), (36, 3855275), (45, 3084220), (50, 2775798), (60, 2313165), (75, 1850532), (90, 1542110), (100, 1387899), (150, 925266), (180, 771055), (225, 616844), (300, 462633), (450, 308422), (900, 154211)]