17622220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11443}}^1$

素因数の和:11470

約数の個数: 48

約数和(自身を含む): 46142208

約数和(自身を除く): 28519988

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, 11443, 22886, 45772, 57215, 80101, 114430, 125873, 160202, 228860, 251746, 320404, 400505, 503492, 629365, 801010, 881111, 1258730, 1602020, 1762222, 2517460, 3524444, 4405555, 8811110, 17622220]

約数ペア:

[(1, 17622220), (2, 8811110), (4, 4405555), (5, 3524444), (7, 2517460), (10, 1762222), (11, 1602020), (14, 1258730), (20, 881111), (22, 801010), (28, 629365), (35, 503492), (44, 400505), (55, 320404), (70, 251746), (77, 228860), (110, 160202), (140, 125873), (154, 114430), (220, 80101), (308, 57215), (385, 45772), (770, 22886), (1540, 11443)]