30488260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 70418880

約数和(自身を除く): 39930620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 997, 1390, 1529, 1994, 2780, 3058, 3988, 4985, 6116, 7645, 9970, 10967, 15290, 19940, 21934, 30580, 43868, 54835, 109670, 138583, 219340, 277166, 554332, 692915, 1385830, 1524413, 2771660, 3048826, 6097652, 7622065, 15244130, 30488260]

約数ペア:

[(1, 30488260), (2, 15244130), (4, 7622065), (5, 6097652), (10, 3048826), (11, 2771660), (20, 1524413), (22, 1385830), (44, 692915), (55, 554332), (110, 277166), (139, 219340), (220, 138583), (278, 109670), (556, 54835), (695, 43868), (997, 30580), (1390, 21934), (1529, 19940), (1994, 15290), (2780, 10967), (3058, 9970), (3988, 7645), (4985, 6116)]