27755980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198257}}^1$

素因数の和:198273

約数の個数: 24

約数和(自身を含む): 66614688

約数和(自身を除く): 38858708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198257, 396514, 793028, 991285, 1387799, 1982570, 2775598, 3965140, 5551196, 6938995, 13877990, 27755980]

約数ペア:

[(1, 27755980), (2, 13877990), (4, 6938995), (5, 5551196), (7, 3965140), (10, 2775598), (14, 1982570), (20, 1387799), (28, 991285), (35, 793028), (70, 396514), (140, 198257)]