77776060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 166733280

約数和(自身を除く): 88957220

約数列:

[1, 2, 4, 5, 10, 20, 101, 139, 202, 277, 278, 404, 505, 554, 556, 695, 1010, 1108, 1385, 1390, 2020, 2770, 2780, 5540, 14039, 27977, 28078, 38503, 55954, 56156, 70195, 77006, 111908, 139885, 140390, 154012, 192515, 279770, 280780, 385030, 559540, 770060, 3888803, 7777606, 15555212, 19444015, 38888030, 77776060]

約数ペア:

[(1, 77776060), (2, 38888030), (4, 19444015), (5, 15555212), (10, 7777606), (20, 3888803), (101, 770060), (139, 559540), (202, 385030), (277, 280780), (278, 279770), (404, 192515), (505, 154012), (554, 140390), (556, 139885), (695, 111908), (1010, 77006), (1108, 70195), (1385, 56156), (1390, 55954), (2020, 38503), (2770, 28078), (2780, 27977), (5540, 14039)]