137427920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{245407}}^1$

素因数の和:245427

約数の個数: 40

約数和(自身を含む): 365167104

約数和(自身を除く): 227739184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 245407, 490814, 981628, 1227035, 1717849, 1963256, 2454070, 3435698, 3926512, 4908140, 6871396, 8589245, 9816280, 13742792, 17178490, 19632560, 27485584, 34356980, 68713960, 137427920]

約数ペア:

[(1, 137427920), (2, 68713960), (4, 34356980), (5, 27485584), (7, 19632560), (8, 17178490), (10, 13742792), (14, 9816280), (16, 8589245), (20, 6871396), (28, 4908140), (35, 3926512), (40, 3435698), (56, 2454070), (70, 1963256), (80, 1717849), (112, 1227035), (140, 981628), (280, 490814), (560, 245407)]