804969580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{10753}}^1$

素因数の和:10978

約数の個数: 48

約数和(自身を含む): 1788605280

約数和(自身を除く): 983635700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1970, 3743, 3940, 7486, 10753, 14972, 18715, 21506, 37430, 43012, 53765, 74860, 107530, 204307, 215060, 408614, 817228, 1021535, 2043070, 2118341, 4086140, 4236682, 8473364, 10591705, 21183410, 40248479, 42366820, 80496958, 160993916, 201242395, 402484790, 804969580]

約数ペア:

[(1, 804969580), (2, 402484790), (4, 201242395), (5, 160993916), (10, 80496958), (19, 42366820), (20, 40248479), (38, 21183410), (76, 10591705), (95, 8473364), (190, 4236682), (197, 4086140), (380, 2118341), (394, 2043070), (788, 1021535), (985, 817228), (1970, 408614), (3743, 215060), (3940, 204307), (7486, 107530), (10753, 74860), (14972, 53765), (18715, 43012), (21506, 37430)]