261351790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{533371}}^1$

素因数の和:533392

約数の個数: 24

約数和(自身を含む): 547239672

約数和(自身を除く): 285887882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 533371, 1066742, 2666855, 3733597, 5333710, 7467194, 18667985, 26135179, 37335970, 52270358, 130675895, 261351790]

約数ペア:

[(1, 261351790), (2, 130675895), (5, 52270358), (7, 37335970), (10, 26135179), (14, 18667985), (35, 7467194), (49, 5333710), (70, 3733597), (98, 2666855), (245, 1066742), (490, 533371)]