42458990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 90197712

約数和(自身を除く): 47738722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 1022, 1187, 2374, 2555, 3577, 5110, 5935, 7154, 8309, 11870, 16618, 17885, 35770, 41545, 58163, 83090, 86651, 116326, 173302, 290815, 433255, 581630, 606557, 866510, 1213114, 3032785, 4245899, 6065570, 8491798, 21229495, 42458990]

約数ペア:

[(1, 42458990), (2, 21229495), (5, 8491798), (7, 6065570), (10, 4245899), (14, 3032785), (35, 1213114), (49, 866510), (70, 606557), (73, 581630), (98, 433255), (146, 290815), (245, 173302), (365, 116326), (490, 86651), (511, 83090), (730, 58163), (1022, 41545), (1187, 35770), (2374, 17885), (2555, 16618), (3577, 11870), (5110, 8309), (5935, 7154)]