72765890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 134861760

約数和(自身を除く): 62095870

約数列:

[1, 2, 5, 10, 43, 86, 197, 215, 394, 430, 859, 985, 1718, 1970, 4295, 8471, 8590, 16942, 36937, 42355, 73874, 84710, 169223, 184685, 338446, 369370, 846115, 1692230, 7276589, 14553178, 36382945, 72765890]

約数ペア:

[(1, 72765890), (2, 36382945), (5, 14553178), (10, 7276589), (43, 1692230), (86, 846115), (197, 369370), (215, 338446), (394, 184685), (430, 169223), (859, 84710), (985, 73874), (1718, 42355), (1970, 36937), (4295, 16942), (8471, 8590)]