135571460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1811}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 301371840

約数和(自身を除く): 165800380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1811, 1970, 3622, 3743, 3940, 7244, 7486, 9055, 14972, 18110, 18715, 34409, 36220, 37430, 68818, 74860, 137636, 172045, 344090, 356767, 688180, 713534, 1427068, 1783835, 3567670, 6778573, 7135340, 13557146, 27114292, 33892865, 67785730, 135571460]

約数ペア:

[(1, 135571460), (2, 67785730), (4, 33892865), (5, 27114292), (10, 13557146), (19, 7135340), (20, 6778573), (38, 3567670), (76, 1783835), (95, 1427068), (190, 713534), (197, 688180), (380, 356767), (394, 344090), (788, 172045), (985, 137636), (1811, 74860), (1970, 68818), (3622, 37430), (3743, 36220), (3940, 34409), (7244, 18715), (7486, 18110), (9055, 14972)]