4082820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9721}}^1$

素因数の和:9740

約数の個数: 48

約数和(自身を含む): 13066368

約数和(自身を除く): 8983548

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, 9721, 19442, 29163, 38884, 48605, 58326, 68047, 97210, 116652, 136094, 145815, 194420, 204141, 272188, 291630, 340235, 408282, 583260, 680470, 816564, 1020705, 1360940, 2041410, 4082820]

約数ペア:

[(1, 4082820), (2, 2041410), (3, 1360940), (4, 1020705), (5, 816564), (6, 680470), (7, 583260), (10, 408282), (12, 340235), (14, 291630), (15, 272188), (20, 204141), (21, 194420), (28, 145815), (30, 136094), (35, 116652), (42, 97210), (60, 68047), (70, 58326), (84, 48605), (105, 38884), (140, 29163), (210, 19442), (420, 9721)]