77493890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 141704640

約数和(自身を除く): 64210750

約数列:

[1, 2, 5, 10, 139, 197, 278, 283, 394, 566, 695, 985, 1390, 1415, 1970, 2830, 27383, 39337, 54766, 55751, 78674, 111502, 136915, 196685, 273830, 278755, 393370, 557510, 7749389, 15498778, 38746945, 77493890]

約数ペア:

[(1, 77493890), (2, 38746945), (5, 15498778), (10, 7749389), (139, 557510), (197, 393370), (278, 278755), (283, 273830), (394, 196685), (566, 136915), (695, 111502), (985, 78674), (1390, 55751), (1415, 54766), (1970, 39337), (2830, 27383)]