172940405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4999}}^1$

素因数の和:5069

約数の個数: 32

約数和(自身を含む): 246240000

約数和(自身を除く): 73299595

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 629, 935, 2035, 3145, 4999, 6919, 24995, 34595, 54989, 84983, 184963, 274945, 424915, 924815, 934813, 2034593, 3144371, 4674065, 10172965, 15721855, 34588081, 172940405]

約数ペア:

[(1, 172940405), (5, 34588081), (11, 15721855), (17, 10172965), (37, 4674065), (55, 3144371), (85, 2034593), (185, 934813), (187, 924815), (407, 424915), (629, 274945), (935, 184963), (2035, 84983), (3145, 54989), (4999, 34595), (6919, 24995)]