888937240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{331693}}^1$

素因数の和:331771

約数の個数: 32

約数和(自身を含む): 2029967280

約数和(自身を除く): 1141030040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 331693, 663386, 1326772, 1658465, 2653544, 3316930, 6633860, 13267720, 22223431, 44446862, 88893724, 111117155, 177787448, 222234310, 444468620, 888937240]

約数ペア:

[(1, 888937240), (2, 444468620), (4, 222234310), (5, 177787448), (8, 111117155), (10, 88893724), (20, 44446862), (40, 22223431), (67, 13267720), (134, 6633860), (268, 3316930), (335, 2653544), (536, 1658465), (670, 1326772), (1340, 663386), (2680, 331693)]