38207820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{90971}}^1$

素因数の和:90990

約数の個数: 48

約数和(自身を含む): 122266368

約数和(自身を除く): 84058548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 90971, 181942, 272913, 363884, 454855, 545826, 636797, 909710, 1091652, 1273594, 1364565, 1819420, 1910391, 2547188, 2729130, 3183985, 3820782, 5458260, 6367970, 7641564, 9551955, 12735940, 19103910, 38207820]

約数ペア:

[(1, 38207820), (2, 19103910), (3, 12735940), (4, 9551955), (5, 7641564), (6, 6367970), (7, 5458260), (10, 3820782), (12, 3183985), (14, 2729130), (15, 2547188), (20, 1910391), (21, 1819420), (28, 1364565), (30, 1273594), (35, 1091652), (42, 909710), (60, 636797), (70, 545826), (84, 454855), (105, 363884), (140, 272913), (210, 181942), (420, 90971)]