56861980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17659}}^1$

素因数の和:17698

約数の個数: 48

約数和(自身を含む): 142410240

約数和(自身を除く): 85548260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 17659, 35318, 70636, 88295, 123613, 176590, 247226, 353180, 406157, 494452, 618065, 812314, 1236130, 1624628, 2030785, 2472260, 2843099, 4061570, 5686198, 8123140, 11372396, 14215495, 28430990, 56861980]

約数ペア:

[(1, 56861980), (2, 28430990), (4, 14215495), (5, 11372396), (7, 8123140), (10, 5686198), (14, 4061570), (20, 2843099), (23, 2472260), (28, 2030785), (35, 1624628), (46, 1236130), (70, 812314), (92, 618065), (115, 494452), (140, 406157), (161, 353180), (230, 247226), (322, 176590), (460, 123613), (644, 88295), (805, 70636), (1610, 35318), (3220, 17659)]