27508180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{563}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 66326400

約数和(自身を除く): 38818220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 563, 698, 1126, 1396, 1745, 2252, 2443, 2815, 3490, 3941, 4886, 5630, 6980, 7882, 9772, 11260, 12215, 15764, 19705, 24430, 39410, 48860, 78820, 196487, 392974, 785948, 982435, 1375409, 1964870, 2750818, 3929740, 5501636, 6877045, 13754090, 27508180]

約数ペア:

[(1, 27508180), (2, 13754090), (4, 6877045), (5, 5501636), (7, 3929740), (10, 2750818), (14, 1964870), (20, 1375409), (28, 982435), (35, 785948), (70, 392974), (140, 196487), (349, 78820), (563, 48860), (698, 39410), (1126, 24430), (1396, 19705), (1745, 15764), (2252, 12215), (2443, 11260), (2815, 9772), (3490, 7882), (3941, 6980), (4886, 5630)]