1566888260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{71287}}^1$

素因数の和:71460

約数の個数: 48

約数和(自身を含む): 3784537344

約数和(自身を除く): 2217649084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 71287, 142574, 285148, 356435, 499009, 712870, 998018, 1425740, 1996036, 2495045, 4990090, 9980180, 11192059, 22384118, 44768236, 55960295, 78344413, 111920590, 156688826, 223841180, 313377652, 391722065, 783444130, 1566888260]

約数ペア:

[(1, 1566888260), (2, 783444130), (4, 391722065), (5, 313377652), (7, 223841180), (10, 156688826), (14, 111920590), (20, 78344413), (28, 55960295), (35, 44768236), (70, 22384118), (140, 11192059), (157, 9980180), (314, 4990090), (628, 2495045), (785, 1996036), (1099, 1425740), (1570, 998018), (2198, 712870), (3140, 499009), (4396, 356435), (5495, 285148), (10990, 142574), (21980, 71287)]