219036860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223507}}^1$

素因数の和:223530

約数の個数: 36

約数和(自身を含む): 535078152

約数和(自身を除く): 316041292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 223507, 447014, 894028, 1117535, 1564549, 2235070, 3129098, 4470140, 6258196, 7822745, 10951843, 15645490, 21903686, 31290980, 43807372, 54759215, 109518430, 219036860]

約数ペア:

[(1, 219036860), (2, 109518430), (4, 54759215), (5, 43807372), (7, 31290980), (10, 21903686), (14, 15645490), (20, 10951843), (28, 7822745), (35, 6258196), (49, 4470140), (70, 3129098), (98, 2235070), (140, 1564549), (196, 1117535), (245, 894028), (490, 447014), (980, 223507)]