20170104200

素因数分解:

$2^3\times 5^2\times {\mathrm{269}}^1\times {\mathrm{374909}}^1$

素因数の和:375194

約数の個数: 48

約数和(自身を含む): 47069950500

約数和(自身を除く): 26899846300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 269, 538, 1076, 1345, 2152, 2690, 5380, 6725, 10760, 13450, 26900, 53800, 374909, 749818, 1499636, 1874545, 2999272, 3749090, 7498180, 9372725, 14996360, 18745450, 37490900, 74981800, 100850521, 201701042, 403402084, 504252605, 806804168, 1008505210, 2017010420, 2521263025, 4034020840, 5042526050, 10085052100, 20170104200]

約数ペア:

[(1, 20170104200), (2, 10085052100), (4, 5042526050), (5, 4034020840), (8, 2521263025), (10, 2017010420), (20, 1008505210), (25, 806804168), (40, 504252605), (50, 403402084), (100, 201701042), (200, 100850521), (269, 74981800), (538, 37490900), (1076, 18745450), (1345, 14996360), (2152, 9372725), (2690, 7498180), (5380, 3749090), (6725, 2999272), (10760, 1874545), (13450, 1499636), (26900, 749818), (53800, 374909)]