30179800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{21557}}^1$

素因数の和:21580

約数の個数: 48

約数和(自身を含む): 80195760

約数和(自身を除く): 50015960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 21557, 43114, 86228, 107785, 150899, 172456, 215570, 301798, 431140, 538925, 603596, 754495, 862280, 1077850, 1207192, 1508990, 2155700, 3017980, 3772475, 4311400, 6035960, 7544950, 15089900, 30179800]

約数ペア:

[(1, 30179800), (2, 15089900), (4, 7544950), (5, 6035960), (7, 4311400), (8, 3772475), (10, 3017980), (14, 2155700), (20, 1508990), (25, 1207192), (28, 1077850), (35, 862280), (40, 754495), (50, 603596), (56, 538925), (70, 431140), (100, 301798), (140, 215570), (175, 172456), (200, 150899), (280, 107785), (350, 86228), (700, 43114), (1400, 21557)]