257246940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{115877}}^1$

素因数の和:115926

約数の個数: 48

約数和(自身を含む): 739765152

約数和(自身を除く): 482518212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 115877, 231754, 347631, 463508, 579385, 695262, 1158770, 1390524, 1738155, 2317540, 3476310, 4287449, 6952620, 8574898, 12862347, 17149796, 21437245, 25724694, 42874490, 51449388, 64311735, 85748980, 128623470, 257246940]

約数ペア:

[(1, 257246940), (2, 128623470), (3, 85748980), (4, 64311735), (5, 51449388), (6, 42874490), (10, 25724694), (12, 21437245), (15, 17149796), (20, 12862347), (30, 8574898), (37, 6952620), (60, 4287449), (74, 3476310), (111, 2317540), (148, 1738155), (185, 1390524), (222, 1158770), (370, 695262), (444, 579385), (555, 463508), (740, 347631), (1110, 231754), (2220, 115877)]