197890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 445824

約数和(自身を除く): 247934

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 257, 385, 514, 770, 1285, 1799, 2570, 2827, 3598, 5654, 8995, 14135, 17990, 19789, 28270, 39578, 98945, 197890]

約数ペア:

[(1, 197890), (2, 98945), (5, 39578), (7, 28270), (10, 19789), (11, 17990), (14, 14135), (22, 8995), (35, 5654), (55, 3598), (70, 2827), (77, 2570), (110, 1799), (154, 1285), (257, 770), (385, 514)]