54423220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 66657740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 727, 788, 985, 1454, 1970, 2908, 3635, 3743, 3940, 7270, 7486, 13813, 14540, 14972, 18715, 27626, 37430, 55252, 69065, 74860, 138130, 143219, 276260, 286438, 572876, 716095, 1432190, 2721161, 2864380, 5442322, 10884644, 13605805, 27211610, 54423220]

約数ペア:

[(1, 54423220), (2, 27211610), (4, 13605805), (5, 10884644), (10, 5442322), (19, 2864380), (20, 2721161), (38, 1432190), (76, 716095), (95, 572876), (190, 286438), (197, 276260), (380, 143219), (394, 138130), (727, 74860), (788, 69065), (985, 55252), (1454, 37430), (1970, 27626), (2908, 18715), (3635, 14972), (3743, 14540), (3940, 13813), (7270, 7486)]