1355980

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 2872800

約数和(自身を除く): 1516820

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 449, 604, 755, 898, 1510, 1796, 2245, 3020, 4490, 8980, 67799, 135598, 271196, 338995, 677990, 1355980]

約数ペア:

[(1, 1355980), (2, 677990), (4, 338995), (5, 271196), (10, 135598), (20, 67799), (151, 8980), (302, 4490), (449, 3020), (604, 2245), (755, 1796), (898, 1510)]