285967220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{185693}}^1$

素因数の和:185720

約数の個数: 48

約数和(自身を含む): 748718208

約数和(自身を除く): 462750988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 185693, 371386, 742772, 928465, 1299851, 1856930, 2042623, 2599702, 3713860, 4085246, 5199404, 6499255, 8170492, 10213115, 12998510, 14298361, 20426230, 25997020, 28596722, 40852460, 57193444, 71491805, 142983610, 285967220]

約数ペア:

[(1, 285967220), (2, 142983610), (4, 71491805), (5, 57193444), (7, 40852460), (10, 28596722), (11, 25997020), (14, 20426230), (20, 14298361), (22, 12998510), (28, 10213115), (35, 8170492), (44, 6499255), (55, 5199404), (70, 4085246), (77, 3713860), (110, 2599702), (140, 2042623), (154, 1856930), (220, 1299851), (308, 928465), (385, 742772), (770, 371386), (1540, 185693)]