217871950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{106279}}^1$

素因数の和:106332

約数の個数: 24

約数和(自身を含む): 415129680

約数和(自身を除く): 197257730

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 106279, 212558, 531395, 1062790, 2656975, 4357439, 5313950, 8714878, 21787195, 43574390, 108935975, 217871950]

約数ペア:

[(1, 217871950), (2, 108935975), (5, 43574390), (10, 21787195), (25, 8714878), (41, 5313950), (50, 4357439), (82, 2656975), (205, 1062790), (410, 531395), (1025, 212558), (2050, 106279)]