7205990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 14303520

約数和(自身を除く): 7097530

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 601, 1090, 1199, 1202, 2398, 3005, 5995, 6010, 6611, 11990, 13222, 33055, 65509, 66110, 131018, 327545, 655090, 720599, 1441198, 3602995, 7205990]

約数ペア:

[(1, 7205990), (2, 3602995), (5, 1441198), (10, 720599), (11, 655090), (22, 327545), (55, 131018), (109, 66110), (110, 65509), (218, 33055), (545, 13222), (601, 11990), (1090, 6611), (1199, 6010), (1202, 5995), (2398, 3005)]