211471020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{391613}}^1$

素因数の和:391631

約数の個数: 48

約数和(自身を含む): 657911520

約数和(自身を除く): 446440500

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, 391613, 783226, 1174839, 1566452, 1958065, 2349678, 3524517, 3916130, 4699356, 5874195, 7049034, 7832260, 10573551, 11748390, 14098068, 17622585, 21147102, 23496780, 35245170, 42294204, 52867755, 70490340, 105735510, 211471020]

約数ペア:

[(1, 211471020), (2, 105735510), (3, 70490340), (4, 52867755), (5, 42294204), (6, 35245170), (9, 23496780), (10, 21147102), (12, 17622585), (15, 14098068), (18, 11748390), (20, 10573551), (27, 7832260), (30, 7049034), (36, 5874195), (45, 4699356), (54, 3916130), (60, 3524517), (90, 2349678), (108, 1958065), (135, 1566452), (180, 1174839), (270, 783226), (540, 391613)]