55519940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 136812312

約数和(自身を除く): 81292372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 313, 362, 490, 626, 724, 905, 980, 1252, 1267, 1565, 1810, 2191, 2534, 3130, 3620, 4382, 5068, 6260, 6335, 8764, 8869, 10955, 12670, 15337, 17738, 21910, 25340, 30674, 35476, 43820, 44345, 56653, 61348, 76685, 88690, 113306, 153370, 177380, 226612, 283265, 306740, 396571, 566530, 793142, 1133060, 1586284, 1982855, 2775997, 3965710, 5551994, 7931420, 11103988, 13879985, 27759970, 55519940]

約数ペア:

[(1, 55519940), (2, 27759970), (4, 13879985), (5, 11103988), (7, 7931420), (10, 5551994), (14, 3965710), (20, 2775997), (28, 1982855), (35, 1586284), (49, 1133060), (70, 793142), (98, 566530), (140, 396571), (181, 306740), (196, 283265), (245, 226612), (313, 177380), (362, 153370), (490, 113306), (626, 88690), (724, 76685), (905, 61348), (980, 56653), (1252, 44345), (1267, 43820), (1565, 35476), (1810, 30674), (2191, 25340), (2534, 21910), (3130, 17738), (3620, 15337), (4382, 12670), (5068, 10955), (6260, 8869), (6335, 8764)]