2009372360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{8447}}^1$

素因数の和:8790

約数の個数: 64

約数和(自身を含む): 4774809600

約数和(自身を除く): 2765437240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 313, 380, 626, 760, 1252, 1565, 2504, 3130, 5947, 6260, 8447, 11894, 12520, 16894, 23788, 29735, 33788, 42235, 47576, 59470, 67576, 84470, 118940, 160493, 168940, 237880, 320986, 337880, 641972, 802465, 1283944, 1604930, 2643911, 3209860, 5287822, 6419720, 10575644, 13219555, 21151288, 26439110, 50234309, 52878220, 100468618, 105756440, 200937236, 251171545, 401874472, 502343090, 1004686180, 2009372360]

約数ペア:

[(1, 2009372360), (2, 1004686180), (4, 502343090), (5, 401874472), (8, 251171545), (10, 200937236), (19, 105756440), (20, 100468618), (38, 52878220), (40, 50234309), (76, 26439110), (95, 21151288), (152, 13219555), (190, 10575644), (313, 6419720), (380, 5287822), (626, 3209860), (760, 2643911), (1252, 1604930), (1565, 1283944), (2504, 802465), (3130, 641972), (5947, 337880), (6260, 320986), (8447, 237880), (11894, 168940), (12520, 160493), (16894, 118940), (23788, 84470), (29735, 67576), (33788, 59470), (42235, 47576)]