80017490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 169917912

約数和(自身を除く): 89900422

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 1022, 2237, 2555, 3577, 4474, 5110, 7154, 11185, 15659, 17885, 22370, 31318, 35770, 78295, 109613, 156590, 163301, 219226, 326602, 548065, 816505, 1096130, 1143107, 1633010, 2286214, 5715535, 8001749, 11431070, 16003498, 40008745, 80017490]

約数ペア:

[(1, 80017490), (2, 40008745), (5, 16003498), (7, 11431070), (10, 8001749), (14, 5715535), (35, 2286214), (49, 1633010), (70, 1143107), (73, 1096130), (98, 816505), (146, 548065), (245, 326602), (365, 219226), (490, 163301), (511, 156590), (730, 109613), (1022, 78295), (2237, 35770), (2555, 31318), (3577, 22370), (4474, 17885), (5110, 15659), (7154, 11185)]