4237990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 7962624

約数和(自身を除く): 3724634

約数列:

[1, 2, 5, 10, 47, 71, 94, 127, 142, 235, 254, 355, 470, 635, 710, 1270, 3337, 5969, 6674, 9017, 11938, 16685, 18034, 29845, 33370, 45085, 59690, 90170, 423799, 847598, 2118995, 4237990]

約数ペア:

[(1, 4237990), (2, 2118995), (5, 847598), (10, 423799), (47, 90170), (71, 59690), (94, 45085), (127, 33370), (142, 29845), (235, 18034), (254, 16685), (355, 11938), (470, 9017), (635, 6674), (710, 5969), (1270, 3337)]