9908290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 21106872

約数和(自身を除く): 11198582

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 277, 365, 490, 511, 554, 730, 1022, 1385, 1939, 2555, 2770, 3577, 3878, 5110, 7154, 9695, 13573, 17885, 19390, 20221, 27146, 35770, 40442, 67865, 101105, 135730, 141547, 202210, 283094, 707735, 990829, 1415470, 1981658, 4954145, 9908290]

約数ペア:

[(1, 9908290), (2, 4954145), (5, 1981658), (7, 1415470), (10, 990829), (14, 707735), (35, 283094), (49, 202210), (70, 141547), (73, 135730), (98, 101105), (146, 67865), (245, 40442), (277, 35770), (365, 27146), (490, 20221), (511, 19390), (554, 17885), (730, 13573), (1022, 9695), (1385, 7154), (1939, 5110), (2555, 3878), (2770, 3577)]