278364745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 80886455

約数列:

[1, 5, 23, 53, 109, 115, 265, 419, 545, 1219, 2095, 2507, 5777, 6095, 9637, 12535, 22207, 28885, 45671, 48185, 111035, 132871, 228355, 510761, 664355, 1050433, 2420563, 2553805, 5252165, 12102815, 55672949, 278364745]

約数ペア:

[(1, 278364745), (5, 55672949), (23, 12102815), (53, 5252165), (109, 2553805), (115, 2420563), (265, 1050433), (419, 664355), (545, 510761), (1219, 228355), (2095, 132871), (2507, 111035), (5777, 48185), (6095, 45671), (9637, 28885), (12535, 22207)]