1900975990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1\times {\mathrm{12281}}^1$

素因数の和:12984

約数の個数: 32

約数和(自身を含む): 3576125376

約数和(自身を除く): 1675149386

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 673, 1346, 3365, 6730, 12281, 15479, 24562, 30958, 61405, 77395, 122810, 154790, 282463, 564926, 1412315, 2824630, 8265113, 16530226, 41325565, 82651130, 190097599, 380195198, 950487995, 1900975990]

約数ペア:

[(1, 1900975990), (2, 950487995), (5, 380195198), (10, 190097599), (23, 82651130), (46, 41325565), (115, 16530226), (230, 8265113), (673, 2824630), (1346, 1412315), (3365, 564926), (6730, 282463), (12281, 154790), (15479, 122810), (24562, 77395), (30958, 61405)]