219306580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 471444624

約数和(自身を除く): 252138044

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 313, 530, 626, 661, 1060, 1252, 1322, 1565, 2644, 3130, 3305, 6260, 6610, 13220, 16589, 33178, 35033, 66356, 70066, 82945, 140132, 165890, 175165, 206893, 331780, 350330, 413786, 700660, 827572, 1034465, 2068930, 4137860, 10965329, 21930658, 43861316, 54826645, 109653290, 219306580]

約数ペア:

[(1, 219306580), (2, 109653290), (4, 54826645), (5, 43861316), (10, 21930658), (20, 10965329), (53, 4137860), (106, 2068930), (212, 1034465), (265, 827572), (313, 700660), (530, 413786), (626, 350330), (661, 331780), (1060, 206893), (1252, 175165), (1322, 165890), (1565, 140132), (2644, 82945), (3130, 70066), (3305, 66356), (6260, 35033), (6610, 33178), (13220, 16589)]