215687050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2671

約数の個数: 48

約数和(自身を含む): 427204800

約数和(自身を除く): 211517750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 445, 475, 890, 950, 1691, 2225, 2551, 3382, 4450, 5102, 8455, 12755, 16910, 25510, 42275, 48469, 63775, 84550, 96938, 127550, 227039, 242345, 454078, 484690, 1135195, 1211725, 2270390, 2423450, 4313741, 5675975, 8627482, 11351950, 21568705, 43137410, 107843525, 215687050]

約数ペア:

[(1, 215687050), (2, 107843525), (5, 43137410), (10, 21568705), (19, 11351950), (25, 8627482), (38, 5675975), (50, 4313741), (89, 2423450), (95, 2270390), (178, 1211725), (190, 1135195), (445, 484690), (475, 454078), (890, 242345), (950, 227039), (1691, 127550), (2225, 96938), (2551, 84550), (3382, 63775), (4450, 48469), (5102, 42275), (8455, 25510), (12755, 16910)]