28012667740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{210907}}^1$

素因数の和:211174

約数の個数: 48

約数和(自身を含む): 61121138400

約数和(自身を除く): 33108470660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 229, 290, 458, 580, 916, 1145, 2290, 4580, 6641, 13282, 26564, 33205, 66410, 132820, 210907, 421814, 843628, 1054535, 2109070, 4218140, 6116303, 12232606, 24465212, 30581515, 48297703, 61163030, 96595406, 122326060, 193190812, 241488515, 482977030, 965954060, 1400633387, 2801266774, 5602533548, 7003166935, 14006333870, 28012667740]

約数ペア:

[(1, 28012667740), (2, 14006333870), (4, 7003166935), (5, 5602533548), (10, 2801266774), (20, 1400633387), (29, 965954060), (58, 482977030), (116, 241488515), (145, 193190812), (229, 122326060), (290, 96595406), (458, 61163030), (580, 48297703), (916, 30581515), (1145, 24465212), (2290, 12232606), (4580, 6116303), (6641, 4218140), (13282, 2109070), (26564, 1054535), (33205, 843628), (66410, 421814), (132820, 210907)]