201787220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{18311}}^1$

素因数の和:18368

約数の個数: 48

約数和(自身を含む): 461462400

約数和(自身を除く): 259675180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 18311, 36622, 73244, 91555, 183110, 347909, 366220, 531019, 695818, 1062038, 1391636, 1739545, 2124076, 2655095, 3479090, 5310190, 6958180, 10089361, 10620380, 20178722, 40357444, 50446805, 100893610, 201787220]

約数ペア:

[(1, 201787220), (2, 100893610), (4, 50446805), (5, 40357444), (10, 20178722), (19, 10620380), (20, 10089361), (29, 6958180), (38, 5310190), (58, 3479090), (76, 2655095), (95, 2124076), (116, 1739545), (145, 1391636), (190, 1062038), (290, 695818), (380, 531019), (551, 366220), (580, 347909), (1102, 183110), (2204, 91555), (2755, 73244), (5510, 36622), (11020, 18311)]