138880002

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 280987200

約数和(自身を除く): 142107198

約数列:

[1, 2, 3, 6, 157, 314, 379, 389, 471, 758, 778, 942, 1137, 1167, 2274, 2334, 59503, 61073, 119006, 122146, 147431, 178509, 183219, 294862, 357018, 366438, 442293, 884586, 23146667, 46293334, 69440001, 138880002]

約数ペア:

[(1, 138880002), (2, 69440001), (3, 46293334), (6, 23146667), (157, 884586), (314, 442293), (379, 366438), (389, 357018), (471, 294862), (758, 183219), (778, 178509), (942, 147431), (1137, 122146), (1167, 119006), (2274, 61073), (2334, 59503)]