427291220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{1663}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 930908160

約数和(自身を除く): 503616940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 443, 580, 886, 1663, 1772, 2215, 3326, 4430, 6652, 8315, 8860, 12847, 16630, 25694, 33260, 48227, 51388, 64235, 96454, 128470, 192908, 241135, 256940, 482270, 736709, 964540, 1473418, 2946836, 3683545, 7367090, 14734180, 21364561, 42729122, 85458244, 106822805, 213645610, 427291220]

約数ペア:

[(1, 427291220), (2, 213645610), (4, 106822805), (5, 85458244), (10, 42729122), (20, 21364561), (29, 14734180), (58, 7367090), (116, 3683545), (145, 2946836), (290, 1473418), (443, 964540), (580, 736709), (886, 482270), (1663, 256940), (1772, 241135), (2215, 192908), (3326, 128470), (4430, 96454), (6652, 64235), (8315, 51388), (8860, 48227), (12847, 33260), (16630, 25694)]