1020404780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1\times {\mathrm{1319}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 2192762880

約数和(自身を除く): 1172358100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 823, 940, 1319, 1646, 2638, 3292, 4115, 5276, 6595, 8230, 13190, 16460, 26380, 38681, 61993, 77362, 123986, 154724, 193405, 247972, 309965, 386810, 619930, 773620, 1085537, 1239860, 2171074, 4342148, 5427685, 10855370, 21710740, 51020239, 102040478, 204080956, 255101195, 510202390, 1020404780]

約数ペア:

[(1, 1020404780), (2, 510202390), (4, 255101195), (5, 204080956), (10, 102040478), (20, 51020239), (47, 21710740), (94, 10855370), (188, 5427685), (235, 4342148), (470, 2171074), (823, 1239860), (940, 1085537), (1319, 773620), (1646, 619930), (2638, 386810), (3292, 309965), (4115, 247972), (5276, 193405), (6595, 154724), (8230, 123986), (13190, 77362), (16460, 61993), (26380, 38681)]