31718710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 58358880

約数和(自身を除く): 26640170

約数列:

[1, 2, 5, 10, 89, 157, 178, 227, 314, 445, 454, 785, 890, 1135, 1570, 2270, 13973, 20203, 27946, 35639, 40406, 69865, 71278, 101015, 139730, 178195, 202030, 356390, 3171871, 6343742, 15859355, 31718710]

約数ペア:

[(1, 31718710), (2, 15859355), (5, 6343742), (10, 3171871), (89, 356390), (157, 202030), (178, 178195), (227, 139730), (314, 101015), (445, 71278), (454, 69865), (785, 40406), (890, 35639), (1135, 27946), (1570, 20203), (2270, 13973)]