208075720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5413}}^1$

素因数の和:5486

約数の個数: 48

約数和(自身を含む): 483849180

約数和(自身を除く): 275773460

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5413, 7688, 9610, 10826, 19220, 21652, 27065, 38440, 43304, 54130, 108260, 167803, 216520, 335606, 671212, 839015, 1342424, 1678030, 3356060, 5201893, 6712120, 10403786, 20807572, 26009465, 41615144, 52018930, 104037860, 208075720]

約数ペア:

[(1, 208075720), (2, 104037860), (4, 52018930), (5, 41615144), (8, 26009465), (10, 20807572), (20, 10403786), (31, 6712120), (40, 5201893), (62, 3356060), (124, 1678030), (155, 1342424), (248, 839015), (310, 671212), (620, 335606), (961, 216520), (1240, 167803), (1922, 108260), (3844, 54130), (4805, 43304), (5413, 38440), (7688, 27065), (9610, 21652), (10826, 19220)]