27991370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 31106230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 190, 209, 227, 295, 418, 454, 590, 649, 1045, 1121, 1135, 1298, 2090, 2242, 2270, 2497, 3245, 4313, 4994, 5605, 6490, 8626, 11210, 12331, 12485, 13393, 21565, 24662, 24970, 26786, 43130, 47443, 61655, 66965, 94886, 123310, 133930, 147323, 237215, 254467, 294646, 474430, 508934, 736615, 1272335, 1473230, 2544670, 2799137, 5598274, 13995685, 27991370]

約数ペア:

[(1, 27991370), (2, 13995685), (5, 5598274), (10, 2799137), (11, 2544670), (19, 1473230), (22, 1272335), (38, 736615), (55, 508934), (59, 474430), (95, 294646), (110, 254467), (118, 237215), (190, 147323), (209, 133930), (227, 123310), (295, 94886), (418, 66965), (454, 61655), (590, 47443), (649, 43130), (1045, 26786), (1121, 24970), (1135, 24662), (1298, 21565), (2090, 13393), (2242, 12485), (2270, 12331), (2497, 11210), (3245, 8626), (4313, 6490), (4994, 5605)]