420700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{601}}^1$

素因数の和:622

約数の個数: 36

約数和(自身を含む): 1045072

約数和(自身を除く): 624372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 601, 700, 1202, 2404, 3005, 4207, 6010, 8414, 12020, 15025, 16828, 21035, 30050, 42070, 60100, 84140, 105175, 210350, 420700]

約数ペア:

[(1, 420700), (2, 210350), (4, 105175), (5, 84140), (7, 60100), (10, 42070), (14, 30050), (20, 21035), (25, 16828), (28, 15025), (35, 12020), (50, 8414), (70, 6010), (100, 4207), (140, 3005), (175, 2404), (350, 1202), (601, 700)]