83785490

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 155831040

約数和(自身を除く): 72045550

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 445, 470, 890, 2003, 4006, 4183, 8366, 10015, 20030, 20915, 41830, 94141, 178267, 188282, 356534, 470705, 891335, 941410, 1782670, 8378549, 16757098, 41892745, 83785490]

約数ペア:

[(1, 83785490), (2, 41892745), (5, 16757098), (10, 8378549), (47, 1782670), (89, 941410), (94, 891335), (178, 470705), (235, 356534), (445, 188282), (470, 178267), (890, 94141), (2003, 41830), (4006, 20915), (4183, 20030), (8366, 10015)]