42380940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{100907}}^1$

素因数の和:100926

約数の個数: 48

約数和(自身を含む): 135620352

約数和(自身を除く): 93239412

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, 100907, 201814, 302721, 403628, 504535, 605442, 706349, 1009070, 1210884, 1412698, 1513605, 2018140, 2119047, 2825396, 3027210, 3531745, 4238094, 6054420, 7063490, 8476188, 10595235, 14126980, 21190470, 42380940]

約数ペア:

[(1, 42380940), (2, 21190470), (3, 14126980), (4, 10595235), (5, 8476188), (6, 7063490), (7, 6054420), (10, 4238094), (12, 3531745), (14, 3027210), (15, 2825396), (20, 2119047), (21, 2018140), (28, 1513605), (30, 1412698), (35, 1210884), (42, 1009070), (60, 706349), (70, 605442), (84, 504535), (105, 403628), (140, 302721), (210, 201814), (420, 100907)]