214959280

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4153}}^1$

素因数の和:4813

約数の個数: 40

約数和(自身を含む): 500673312

約数和(自身を除く): 285714032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 4153, 5176, 6470, 8306, 10352, 12940, 16612, 20765, 25880, 33224, 41530, 51760, 66448, 83060, 166120, 332240, 2686991, 5373982, 10747964, 13434955, 21495928, 26869910, 42991856, 53739820, 107479640, 214959280]

約数ペア:

[(1, 214959280), (2, 107479640), (4, 53739820), (5, 42991856), (8, 26869910), (10, 21495928), (16, 13434955), (20, 10747964), (40, 5373982), (80, 2686991), (647, 332240), (1294, 166120), (2588, 83060), (3235, 66448), (4153, 51760), (5176, 41530), (6470, 33224), (8306, 25880), (10352, 20765), (12940, 16612)]