2017380470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{20899}}^1$

素因数の和:21117

約数の個数: 48

約数和(自身を含む): 4245793200

約数和(自身を除く): 2228412730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 490, 985, 1379, 1970, 2758, 6895, 9653, 13790, 19306, 20899, 41798, 48265, 96530, 104495, 146293, 208990, 292586, 731465, 1024051, 1462930, 2048102, 4117103, 5120255, 8234206, 10240510, 20585515, 28819721, 41171030, 57639442, 144098605, 201738047, 288197210, 403476094, 1008690235, 2017380470]

約数ペア:

[(1, 2017380470), (2, 1008690235), (5, 403476094), (7, 288197210), (10, 201738047), (14, 144098605), (35, 57639442), (49, 41171030), (70, 28819721), (98, 20585515), (197, 10240510), (245, 8234206), (394, 5120255), (490, 4117103), (985, 2048102), (1379, 1462930), (1970, 1024051), (2758, 731465), (6895, 292586), (9653, 208990), (13790, 146293), (19306, 104495), (20899, 96530), (41798, 48265)]