38180940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{90907}}^1$

素因数の和:90926

約数の個数: 48

約数和(自身を含む): 122180352

約数和(自身を除く): 83999412

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, 90907, 181814, 272721, 363628, 454535, 545442, 636349, 909070, 1090884, 1272698, 1363605, 1818140, 1909047, 2545396, 2727210, 3181745, 3818094, 5454420, 6363490, 7636188, 9545235, 12726980, 19090470, 38180940]

約数ペア:

[(1, 38180940), (2, 19090470), (3, 12726980), (4, 9545235), (5, 7636188), (6, 6363490), (7, 5454420), (10, 3818094), (12, 3181745), (14, 2727210), (15, 2545396), (20, 1909047), (21, 1818140), (28, 1363605), (30, 1272698), (35, 1090884), (42, 909070), (60, 636349), (70, 545442), (84, 454535), (105, 363628), (140, 272721), (210, 181814), (420, 90907)]