2840260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3510140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 83, 116, 118, 145, 166, 236, 290, 295, 332, 415, 580, 590, 830, 1180, 1660, 1711, 2407, 3422, 4814, 4897, 6844, 8555, 9628, 9794, 12035, 17110, 19588, 24070, 24485, 34220, 48140, 48970, 97940, 142013, 284026, 568052, 710065, 1420130, 2840260]

約数ペア:

[(1, 2840260), (2, 1420130), (4, 710065), (5, 568052), (10, 284026), (20, 142013), (29, 97940), (58, 48970), (59, 48140), (83, 34220), (116, 24485), (118, 24070), (145, 19588), (166, 17110), (236, 12035), (290, 9794), (295, 9628), (332, 8555), (415, 6844), (580, 4897), (590, 4814), (830, 3422), (1180, 2407), (1660, 1711)]