402792020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{36551}}^1$

素因数の和:36608

約数の個数: 48

約数和(自身を含む): 921110400

約数和(自身を除く): 518318380

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, 36551, 73102, 146204, 182755, 365510, 694469, 731020, 1059979, 1388938, 2119958, 2777876, 3472345, 4239916, 5299895, 6944690, 10599790, 13889380, 20139601, 21199580, 40279202, 80558404, 100698005, 201396010, 402792020]

約数ペア:

[(1, 402792020), (2, 201396010), (4, 100698005), (5, 80558404), (10, 40279202), (19, 21199580), (20, 20139601), (29, 13889380), (38, 10599790), (58, 6944690), (76, 5299895), (95, 4239916), (116, 3472345), (145, 2777876), (190, 2119958), (290, 1388938), (380, 1059979), (551, 731020), (580, 694469), (1102, 365510), (2204, 182755), (2755, 146204), (5510, 73102), (11020, 36551)]